* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Please make notes legible and use indentations when appropriate.
Immune system wikipedia , lookup
Lymphopoiesis wikipedia , lookup
Molecular mimicry wikipedia , lookup
Monoclonal antibody wikipedia , lookup
Adaptive immune system wikipedia , lookup
Psychoneuroimmunology wikipedia , lookup
Cancer immunotherapy wikipedia , lookup
Adoptive cell transfer wikipedia , lookup
Immunosuppressive drug wikipedia , lookup
Part III / XIII of the 8,500+ Slide Human Body Systems and Health Topics Unit from www.sciencepowerpoint.com Part I: Levels of Biological Organization Part II: The Skeletal System Part III: The Muscular System Part IV: Nutrients and Molecules of Life Part V: Healthy Living and Eating Part VI: The Digestive System Part VII: The Circulatory System Part VIII: The Respiratory System / Dangers of Smoking Part IX: The Excretory System Part X: The Nervous System (A) Part XI: The Endocrine System Part XII: The Reproductive System Part XIII: The Immune System • The Human Body Systems and Health Topic Units includes. – A 13 Part 8,500 Slide PowerPoint roadmap. – 40 page bundled homework package, modified version, answer keys, homework rubric. All chronologically follows slideshow. – 56 Pages of unit notes that follow slideshow. – 7 PowerPoint Review Games (1,400 Slides) with answers and game sheet. – 30 Worksheets that follow slideshow for classwork – Crossword puzzles, games, rubrics, curriculum guide, and much more. – http://www.sciencepowerpoint.com/Human_Body_Syst ems_and_Health_Topics_Unit.html • More Units Available at… Earth Science: The Soil Science and Glaciers Unit, The Geology Topics Unit, The Astronomy Topics Unit, The Weather and Climate Unit, and The Rivers and Water Quality Unit, The Water Molecule Unit. Physical Science: The Laws of Motion and Machines Unit, The Atoms and Periodic Table Unit, The Energy and the Environment Unit, and Science Skills Unit. Life Science: The Infectious Diseases Unit, The Cellular Biology Unit, The DNA and Genetics Unit, The Life Topics Unit, The Plant Unit, The Taxonomy and Classification Unit, Ecology: Feeding Levels Unit, Ecology: Interactions Unit, Ecology: Abiotic Factors, The Evolution and Natural Selection Unit, and The Human Body Systems and Health Topics Unit Copyright © 2010 Ryan P. Murphy Human Body Unit Part XIII Human Body Unit Part XIII • RED SLIDE: These are notes that are very important and should be recorded in your science journal. Copyright © 2010 Ryan P. Murphy -Please make notes legible and use indentations when appropriate. -Example of indent. -Skip a line between topics -Don’t skip pages -Make visuals clear and well drawn. Please Label. Prokaryotic DNA / Nucleoid Nucleus Pili Eukaryotic Flagella Copyright © 2010 Ryan P. Murphy • RED SLIDE: These are notes that are very important and should be recorded in your science journal. Copyright © 2010 Ryan P. Murphy Please use this red line Please use this red line -Please make notes legible and use indentations when appropriate. Please use this red line - Please make notes legible and use indentations when appropriate. -Please make notes legible and use indentations when appropriate. -Example of indent. -Please make notes legible and use indentations when appropriate. -Example of indent. -Skip a line between topics -Please make notes legible and use indentations when appropriate. -Example of indent. -Skip a line between topics -Don’t skip pages -Please make notes legible and use indentations when appropriate. -Example of indent. -Skip a line between topics -Don’t skip pages -Make visuals clear and well drawn. -Please make notes legible and use indentations when appropriate. -Example of indent. -Skip a line between topics -Don’t skip pages -Make visuals clear and well drawn. -Please make notes legible and use indentations when appropriate. -Example of indent. -Skip a line between topics -Don’t skip pages -Make visuals clear and well drawn. Please Label -Please make notes legible and use indentations when appropriate. -Example of indent. -Skip a line between topics -Don’t skip pages -Make visuals clear and well drawn. Please Label. Prokaryotic DNA / Nucleoid Nucleus Pili Eukaryotic Flagella • RED SLIDE: These are notes that are very important and should be recorded in your science journal. • BLACK SLIDE: Pay attention, follow directions, complete projects as described and answer required questions neatly. Copyright © 2010 Ryan P. Murphy • Keep an eye out for “The-Owl” and raise your hand as soon as you see him. – He will be hiding somewhere in the slideshow “Hoot, Hoot” “Good Luck!” Copyright © 2010 Ryan P. Murphy • All medical surgeries in the 1800’s had doctors working with soiled tools and hands. • All medical surgeries in the 1800’s had doctors working with soiled tools and hands. – Most people died from infections after surgery. • Joseph Lister (1827-1912) • Joseph Lister (1827-1912) – Changed the 50% death rate of early surgeries. • Joseph Lister (1827-1912) – Changed the 50% death rate of early surgeries. – He realized that microbes (small organisms) were to blame for high post surgery death rates. • Joseph Lister (1827-1912) – Changed the 50% death rate of early surgeries. – He realized that microbes (small organisms) were to blame for high post surgery death rates. – Pioneered the use of antiseptic and cleanliness. • Joseph Lister (1827-1912) – Changed the 50% death rate of early surgeries. – He realized that microbes (small organisms) were to blame for high post surgery death rates. – Pioneered the use of antiseptic and cleanliness. (Carbolic Acid Sprayer) Every second microbes are trying to kill us by attacking our cells. • Without an immune systems to protect us from the thousand of micro invaders out there, you would certainly die. • H.G. Wells wrote: War of the Worlds. – Does anyone know how the invaders were stopped? Copyright © 2010 Ryan P. Murphy • The alien invaders were too powerful to be destroyed by our weapons. They were killed by infectious diseases because they did not evolve an immunity to earth’s diseases. • The alien invaders were too powerful to be destroyed by our weapons. They were killed by infectious diseases because they did not evolve an immunity to earth’s diseases. – The human immune system has taken millions of years to evolve. New Area of Focus: Your Immune System. Copyright © 2010 Ryan P. Murphy Immune system: A system that protects the body from diseases. Copyright © 2010 Ryan P. Murphy • The system includes… • The system includes… – Special cells • The system includes… – Special cells • The system includes… – Special cells – Proteins • The system includes… – Special cells – Proteins Antibodies • The system includes… – Special cells – Proteins – Tissues • The system includes… – Special cells – Proteins – Tissues Lymphoid Tissues • The system includes… – Special cells – Proteins – Tissues – Organs • The system includes… – Special cells – Proteins – Tissues – Organs Copyright © 2010 Ryan P. Murphy Copyright © 2010 Ryan P. Murphy Copyright © 2010 Ryan P. Murphy Copyright © 2010 Ryan P. Murphy Copyright © 2010 Ryan P. Murphy Copyright © 2010 Ryan P. Murphy Copyright © 2010 Ryan P. Murphy Copyright © 2010 Ryan P. Murphy Copyright © 2010 Ryan P. Murphy Copyright © 2010 Ryan P. Murphy Copyright © 2010 Ryan P. Murphy Copyright © 2010 Ryan P. Murphy Copyright © 2010 Ryan P. Murphy Copyright © 2010 Ryan P. Murphy Copyright © 2010 Ryan P. Murphy Copyright © 2010 Ryan P. Murphy • Immune System, HIV, AIDS Available Sheet. • Immune System, HIV, AIDS Available Sheet. • First Line of Defense. Skin prevents disease from entering the body. Copyright © 2010 Ryan P. Murphy • Where are there holes in the wall? Copyright © 2010 Ryan P. Murphy • Answer! Where are there holes in the wall? Copyright © 2010 Ryan P. Murphy • Answer! Where are there holes in the wall? • Nose Copyright © 2010 Ryan P. Murphy • Answer! Where are there holes in the wall? • Nose • Mouth Copyright © 2010 Ryan P. Murphy • Answer! Where are there holes in the wall? • Nose • Mouth • Eyes Copyright © 2010 Ryan P. Murphy • Answer! Where are there holes in the wall? • • • • Nose Mouth Eyes Open wounds Copyright © 2010 Ryan P. Murphy • Answer! Where are there holes in the wall? • • • • • Nose Mouth Eyes Open wounds Down low – STD’s ! Copyright © 2010 Ryan P. Murphy • Mucus is another defense mechanism of the human body. – They trap and remove these invaders before the can reach their target cells. – Cilia move the invaders to be disposed. Dust Pollen Particulates Bacteria Viruses Spores Dust Pollen Particulates Bacteria Viruses Spores Dust Pollen Particulates Bacteria Viruses Spores Dust Pollen Particulates Bacteria Viruses Spores Mucous • Your nose produces close to a liter of mucous a day. – Most gets swept into the esophagus by tiny hairs called cilia in your nasal cavity. • Your nose produces close to a liter of mucous a day. – Most gets swept into the esophagus by tiny hairs called cilia in your nasal cavity. Esophagus • Your nose produces close to a liter of mucous a day. – Most gets swept into the esophagus by tiny hairs called cilia in your nasal cavity. Esophagus Nose Particles trapped in mucous Trapped in the Mucous • Salvia is also loaded with disease killing chemicals. • Salvia is also loaded with disease killing chemicals. • Salvia is also loaded with disease killing chemicals. • Salvia is also loaded with disease killing chemicals. • Salvia is also loaded with disease killing chemicals. • One of the biggest achievements of the immune system is it’s ability to determine friend from foe. • One of the biggest achievements of the immune system is it’s ability to determine friend from foe. • One of the biggest achievements of the immune system is it’s ability to determine friend from foe. • The Bodies 2nd Line of Defense • Immune System, HIV, AIDS Available Sheet. • The body also rushes blood loaded with protecting cells to infected areas. (Swelling) The inflammatory response: Damaged cells release chemicals. These chemicals cause blood vessels to leak fluid into the tissues, causing swelling. This helps isolate the foreign substance from further contact with body tissues. • The inflammatory response: Damaged cells release chemicals. – These chemicals cause blood vessels to leak fluid into the tissues, causing swelling. – This helps isolate the foreign substance from further contact with body tissues. • The inflammatory response: Damaged cells release chemicals. – These chemicals cause blood vessels to leak fluid into the tissues, causing swelling. – This helps isolate the foreign substance from further contact with body tissues. • The inflammatory response: Damaged cells release chemicals. – These chemicals cause blood vessels to leak fluid into the tissues, causing swelling. – This helps isolate the foreign substance from further contact with body tissues. • Anaphylaxis is a severe allergic reaction that occurs rapidly and causes a lifethreatening response involving the whole body. • Anaphylaxis is a severe allergic reaction that occurs rapidly and causes a lifethreatening response involving the whole body. – This reaction can lead to difficulty breathing, shock, and ultimately death if untreated. • Anaphylaxis is a severe allergic reaction that occurs rapidly and causes a lifethreatening response involving the whole body. – This reaction can lead to difficulty breathing, shock, and ultimately death if untreated. • Epinephrine injection is used to treat life-threatening allergic reactions caused by insect bites, foods, medications, latex, and other causes. • Epinephrine injection is used to treat life-threatening allergic reactions caused by insect bites, foods, medications, latex, and other causes. – Please see a doctor if you believe you are severely allergic to any of the above. • The body also has another defense mechanism called and interferon response. • The body also has another defense mechanism called and interferon response. – Cells produce a substance that interferes with the ability of viruses to reproduce. • Video! A Sneeze sends out millions of mucus particles at 100 mph. – http://www.youtube.com/watch?v=e2QAGVMlns4 – Why is it so important that we cover our mouth? Copyright © 2010 Ryan P. Murphy • Day One. You wake up, and your entire body aches. • Your Bodies 3rd Line of Defense. • Your Bodies 3rd Line of Defense. – The War Within • Immune System, HIV, AIDS Available Sheet. • Please create a drawing in your journal in a step by step process on the next slide.. • Video Link! Hand drawing the Immune System. – Now try and label your picture with some terms, chemical signals, and arrows as best you can. It’s a complicated system . – http://www.youtube.com/watch?v=Nw27_jMW w10&feature=related • Don’t Freak! – This was difficult, instead of stressing out, let’s record three things we can learn from our crazy diagram. • Cells can give off chemical signals • Cells can tell cells to die off • There are many lines of defense. • Don’t Freak! – This was difficult, instead of stressing out, let’s record three things we can learn from our crazy diagram. • • • • Cells can give off chemical signals Cells can tell cells to die off There are many lines of defense. It is a very complicated and detailed process. Interleukins: These tell the body it’s under attack. These give you the aches and pains. “Time to rest!” (Warning System) Copyright © 2010 Ryan P. Murphy • Interleukins: These tell the body it’s under attack. – These give you the aches and pains. “Time to rest!” (Warning System) Copyright © 2010 Ryan P. Murphy Leukocytes: White blood cells (made in bone marrow) - - Copyright © 2010 Ryan P. Murphy Leukocytes: White blood cells (made in bone marrow) (Soldier) - - Copyright © 2010 Ryan P. Murphy Leukocytes: White blood cells (made in bone marrow) (Soldier) - - Copyright © 2010 Ryan P. Murphy Leukocytes: White blood cells (made in bone marrow) - - Copyright © 2010 Ryan P. Murphy Leukocytes: White blood cells (made in bone marrow) - Phagocytes: - Also called macrophage Copyright © 2010 Ryan P. Murphy Leukocytes: White blood cells (made in bone marrow) - Phagocytes: - Also called macrophage Copyright © 2010 Ryan P. Murphy Leukocytes: White blood cells (made in bone marrow) - Phagocytes: - Also called macrophage Copyright © 2010 Ryan P. Murphy Leukocytes: White blood cells (made in bone marrow) - Phagocytes: Cells that engulf invaders. - Copyright © 2010 Ryan P. Murphy Leukocytes: White blood cells (made in bone marrow) - Phagocytes: Cells that engulf invaders. - Copyright © 2010 Ryan P. Murphy Leukocytes: White blood cells (made in bone marrow) - Phagocytes: Cells that engulf invaders. - Copyright © 2010 Ryan P. Murphy Leukocytes: White blood cells (made in bone marrow) - Phagocytes: Cells that engulf invaders. - Copyright © 2010 Ryan P. Murphy Invading Organisms Copyright © 2010 Ryan P. Murphy Invading Organisms Phagocyte Copyright © 2010 Ryan P. Murphy Leukocytes: White blood cells (made in bone marrow) - Phagocytes: Cells that engulf invaders. - Lymphocytes: - Copyright © 2010 Ryan P. Murphy • Lymphocytes are more like the special forces. Lymphocytes: Cells that remember the invaders and help the body destroy them if they come back. B T- Copyright © 2010 Ryan P. Murphy Lymphocytes: Cells that remember the invaders and help the body destroy them if they come back. B T- Copyright © 2010 Ryan P. Murphy Lymphocytes: Cells that remember the invaders and help the body destroy them if they come back. B T- Copyright © 2010 Ryan P. Murphy Dendritic Cells: These cells function to obtain antigen in tissues, they then migrate to lymphoid organs and activate T cells. Dendritic Cells: These cells function to obtain antigen in tissues, they then migrate to lymphoid organs and activate T cells. Dendritic Cells: These cells function to obtain antigen in tissues, they then migrate to lymphoid organs and activate T cells. • Dendritic Cells: Kind of like your military strategist. • Video Link! (Optional) The Human Immune Response – http://www.youtube.com/watch?v=G7rQuFZxVQQ Copyright © 2010 Ryan P. Murphy • Video Link (Optional)! The Immune System Overview. – http://www.youtube.com/watch?v=IWMJIMzsEMg • When an antibody encounters a specific antigen (invader) • When an antibody encounters a specific antigen (invader) it changes shape (activates) and binds to it. Antibodies cling to virus making it difficult to attach to cell. Virus Antibodies Copyright © 2010 Ryan P. Murphy • Antibodies cling to virus making it difficult to attach to cell. Virus Antibodies Copyright © 2010 Ryan P. Murphy • Antibodies cling to virus making it difficult to attach to cell. Virus Antibodies Copyright © 2010 Ryan P. Murphy • Antibodies cling to virus making it difficult to attach to cell. Virus Antibodies Copyright © 2010 Ryan P. Murphy B cells: Don’t visit battle, they send out antibodies to cling to pathogen. (Deploy) Copyright © 2010 Ryan P. Murphy – B cells: Don’t visit battle, they send out antibodies to cling to pathogen. (Deploy) Copyright © 2010 Ryan P. Murphy – B cells: Don’t visit battle, they send out antibodies to cling to pathogen. (Deploy) Copyright © 2010 Ryan P. Murphy – B cells: Don’t visit battle, they send out antibodies to cling to pathogen. (Deploy) Copyright © 2010 Ryan P. Murphy – B cells: Don’t visit battle, send out antibodies to cling to pathogen. (Deploy) B-Cell Copyright © 2010 Ryan P. Murphy – B cells: Don’t visit battle, send out antibodies to cling to pathogen. (Deploy) B-Cell Antibodies Copyright © 2010 Ryan P. Murphy • T cells: Precise Removal (Sniper) Copyright © 2010 Ryan P. Murphy • T cells: Precise Removal (Sniper) Copyright © 2010 Ryan P. Murphy • T cells: Precise Removal (Sniper) Copyright © 2010 Ryan P. Murphy • T cells: Precise Removal (Sniper) Copyright © 2010 Ryan P. Murphy “We’ve got a familiar invader creeping around down here.” ” Immunity: Your immune system is now familiar with the invaders and can summon antibodies quickly. Copyright © 2010 Ryan P. Murphy Immunity: Your immune system is now familiar with the invaders and can summon antibodies quickly. Copyright © 2010 Ryan P. Murphy Copyright © 2010 Ryan P. Murphy • Your immune system will be ready for the next time the antigen invades. Copyright © 2010 Ryan P. Murphy • Your immune system will be ready for the next time the antigen invades. – They now know how to wipe it out. Copyright © 2010 Ryan P. Murphy • Your immune system will be ready for the next time the antigen invades. – They now know how to wipe it out. Copyright © 2010 Ryan P. Murphy • Your immune system will be ready for the next time the antigen invades. – They now know how to wipe it out. Copyright © 2010 Ryan P. Murphy • The immune system can malfunction with some immune syndromes. – One such syndrome is AIDS which is caused by the HIV virus. • Video! An Inside Look at the Flu • Complete this question as your watch the video on your bundled homework. – http://www.hominin.com/video/An_Inside_Look_at_the_Flu Immune response • Immunity can be active, or passive. • Immunity can be active, or passive. • Immunity can be active, or passive. Your body is making the antibodies in response to an invader or to a vaccination • Immunity can be active, or passive. Your body is making the antibodies in response to an invader or to a vaccination • The Human Body Systems and Health Topic Units includes. – A 13 Part 8,500 Slide PowerPoint roadmap. – 40 page bundled homework package, modified version, answer keys, homework rubric. All chronologically follows slideshow. – 56 Pages of unit notes that follow slideshow. – 7 PowerPoint Review Games (1,400 Slides) with answers and game sheet. – 30 Worksheets that follow slideshow for classwork – Crossword puzzles, games, rubrics, curriculum guide, and much more. – http://www.sciencepowerpoint.com/Human_Body_Syst ems_and_Health_Topics_Unit.html • More Units Available at… Earth Science: The Soil Science and Glaciers Unit, The Geology Topics Unit, The Astronomy Topics Unit, The Weather and Climate Unit, and The Rivers and Water Quality Unit, The Water Molecule Unit. Physical Science: The Laws of Motion and Machines Unit, The Atoms and Periodic Table Unit, The Energy and the Environment Unit, and Science Skills Unit. Life Science: The Infectious Diseases Unit, The Cellular Biology Unit, The DNA and Genetics Unit, The Life Topics Unit, The Plant Unit, The Taxonomy and Classification Unit, Ecology: Feeding Levels Unit, Ecology: Interactions Unit, Ecology: Abiotic Factors, The Evolution and Natural Selection Unit, and The Human Body Systems and Health Topics Unit Copyright © 2010 Ryan P. Murphy • You can now lightly color these pictures and provide informative text in the white space. Atom Molecule Cell Organelle Cell Tissue Cells are the structural and functional units of all living organisms. – orm ollows function Humans have some 75-100 Trillion Organ Organ System –Spongy Bone –Compact Bone Tendon Individual Homeostasis: The ability of an organism or cell to maintain internal equilibrium by adjusting its physiological processes.regardless of Ligament Name these muscles Fast Food Name them Villi 23 outside conditions. 23 fertilization Name the major bones shown below. Use your resource sheets •Long Bones •Flat Bones •Irregular Bones •Short Bones Write about me in this space. Atom Molecule Cell Organelle Cell Tissue Cells are the structural and functional units of all living organisms. – orm ollows function Humans have some 75-100 Trillion Organ Organ System –Spongy Bone –Compact Bone Tendon Individual Homeostasis: The ability of an organism or cell to maintain internal equilibrium by adjusting its physiological processes.regardless of Ligament Name these muscles Fast Food Name them Villi 23 outside conditions. 23 fertilization Name the major bones shown below. Use your resource sheets •Long Bones •Flat Bones •Irregular Bones •Short Bones Write about me in this space. Atom Molecule Cell Organelle Cell Tissue Cells are the structural and functional units of all living organisms. – orm ollows function Humans have some 75-100 Trillion Organ Organ System –Spongy Bone –Compact Bone Tendon Individual Homeostasis: The ability of an organism or cell to maintain internal equilibrium by adjusting its physiological processes.regardless of Ligament Name these muscles Fast Food Name them Villi 23 outside conditions. 23 fertilization Name the major bones shown below. Use your resource sheets •Long Bones •Flat Bones •Irregular Bones •Short Bones Write about me in this space. Atom Molecule Cell Organelle Cell Tissue Cells are the structural and functional units of all living organisms. – orm ollows function Humans have some 75-100 Trillion Organ Organ System –Spongy Bone –Compact Bone Tendon Individual Homeostasis: The ability of an organism or cell to maintain internal equilibrium by adjusting its physiological processes.regardless of Ligament Name these muscles Fast Food Name them Villi 23 outside conditions. 23 fertilization Name the major bones shown below. Use your resource sheets •Long Bones •Flat Bones •Irregular Bones •Short Bones Write about me in this space. Atom Molecule Cell Organelle Cell Tissue Cells are the structural and functional units of all living organisms. – orm ollows function Humans have some 75-100 Trillion Organ Organ System –Spongy Bone –Compact Bone Tendon Individual Homeostasis: The ability of an organism or cell to maintain internal equilibrium by adjusting its physiological processes.regardless of Ligament Name these muscles Fast Food Name them Villi 23 outside conditions. 23 fertilization Name the major bones shown below. Use your resource sheets •Long Bones •Flat Bones •Irregular Bones •Short Bones Parasites Write about me in this space. Atom Molecule Cell Organelle Cell Tissue Cells are the structural and functional units of all living organisms. – orm ollows function Humans have some 75-100 Trillion Organ Organ System –Spongy Bone –Compact Bone Tendon Individual Homeostasis: The ability of an organism or cell to maintain internal equilibrium by adjusting its physiological processes.regardless of Ligament Name these muscles Fast Food Name them Villi 23 outside conditions. 23 fertilization Name the major bones shown below. Use your resource sheets •Long Bones •Flat Bones •Irregular Bones •Short Bones Parasites Write about me in this space. Atom Molecule Cell Organelle Cell Tissue Cells are the structural and functional units of all living organisms. – orm ollows function Humans have some 75-100 Trillion Organ Organ System –Spongy Bone –Compact Bone Tendon Individual Homeostasis: The ability of an organism or cell to maintain internal equilibrium by adjusting its physiological processes.regardless of Ligament Name these muscles Fast Food Name them Villi 23 outside conditions. 23 fertilization Name the major bones shown below. Use your resource sheets •Long Bones •Flat Bones •Irregular Bones •Short Bones Parasites Write about me in this space. • Immune System, Parasites, STD’s, HIV, AIDS PowerPoint Review Game. Human Body Unit Part XIII • The Human Body Systems and Health Topic Units includes. – A 13 Part 8,500 Slide PowerPoint roadmap. – 40 page bundled homework package, modified version, answer keys, homework rubric. All chronologically follows slideshow. – 56 Pages of unit notes that follow slideshow. – 7 PowerPoint Review Games (1,400 Slides) with answers and game sheet. – 30 Worksheets that follow slideshow for classwork – Crossword puzzles, games, rubrics, curriculum guide, and much more. – http://www.sciencepowerpoint.com/Human_Body_Syst ems_and_Health_Topics_Unit.html • More Units Available at… Earth Science: The Soil Science and Glaciers Unit, The Geology Topics Unit, The Astronomy Topics Unit, The Weather and Climate Unit, and The Rivers and Water Quality Unit, The Water Molecule Unit. Physical Science: The Laws of Motion and Machines Unit, The Atoms and Periodic Table Unit, The Energy and the Environment Unit, and Science Skills Unit. Life Science: The Infectious Diseases Unit, The Cellular Biology Unit, The DNA and Genetics Unit, The Life Topics Unit, The Plant Unit, The Taxonomy and Classification Unit, Ecology: Feeding Levels Unit, Ecology: Interactions Unit, Ecology: Abiotic Factors, The Evolution and Natural Selection Unit, and The Human Body Systems and Health Topics Unit Copyright © 2010 Ryan P. Murphy