Platyhelminthes - Formatted
... canal is the parenchymatous tissue which are loose connective-tissue cells that act as a packing material. Its fluid filled spaces provide turgidity to maintain the body form. It contains free wandering amoeboid cells that remain in the formative state. These formative cells bring about regeneration ...
... canal is the parenchymatous tissue which are loose connective-tissue cells that act as a packing material. Its fluid filled spaces provide turgidity to maintain the body form. It contains free wandering amoeboid cells that remain in the formative state. These formative cells bring about regeneration ...
Sponges are sessile, feed by phagocytosis, and reproduce sexually
... Locomotion Sponges are generally sessile as adults and spend their lives attached to a fixed substratum. They do not show movement over large distances as do freeswimming marine invertebrates. However, sponge cells are capable of creeping along substrata via organizational plasticity. Under experim ...
... Locomotion Sponges are generally sessile as adults and spend their lives attached to a fixed substratum. They do not show movement over large distances as do freeswimming marine invertebrates. However, sponge cells are capable of creeping along substrata via organizational plasticity. Under experim ...
ANP 102
... Plasma is the liquid component of the blood. Mammalian blood consists of a liquid (plasma) and a number of cellular and cell fragment components as shown in Figure 21. Plasma is about 60 % of a volume of blood; cells and fragments are 40%. Plasma has 90% water and 10% dissolved materials including p ...
... Plasma is the liquid component of the blood. Mammalian blood consists of a liquid (plasma) and a number of cellular and cell fragment components as shown in Figure 21. Plasma is about 60 % of a volume of blood; cells and fragments are 40%. Plasma has 90% water and 10% dissolved materials including p ...
Teacher support material
... 1. Plant cells have a cell wall, but animal cells do not. 2. Plant cells have chloroplasts, but animal cells do not. 3. Plant cells generally have a more rectangular shape because the cell wall is more rigid, but animal cells have a round or irregular shape because they do not have a cell wall. 4. P ...
... 1. Plant cells have a cell wall, but animal cells do not. 2. Plant cells have chloroplasts, but animal cells do not. 3. Plant cells generally have a more rectangular shape because the cell wall is more rigid, but animal cells have a round or irregular shape because they do not have a cell wall. 4. P ...
Kingdom Animalia
... Levels of Organization • Organs- Cells form tissues that work together to form organs that do a specific job (like a heart, or lung) ...
... Levels of Organization • Organs- Cells form tissues that work together to form organs that do a specific job (like a heart, or lung) ...
Animal Development and Phylogeny Notes
... tissues in most animals. The layers are present at gastrulation during embryonic development Ectoderm is the outermost layer of cells. It gives rise to the nervous system, skin, hair and nails Mesoderm is the middle layer of cells and is the most versitile. It becomes the skeleton, muscles, inne ...
... tissues in most animals. The layers are present at gastrulation during embryonic development Ectoderm is the outermost layer of cells. It gives rise to the nervous system, skin, hair and nails Mesoderm is the middle layer of cells and is the most versitile. It becomes the skeleton, muscles, inne ...
Germ disc differentiation
... -Neural crest cells (melanocyte, PNS) -Sensory epi. of ear, nose, eye ...
... -Neural crest cells (melanocyte, PNS) -Sensory epi. of ear, nose, eye ...
the respiratory system
... back of the pharynx. These produce antibodies for protection, if needed It is involved with taste via olfactory nerve endings present in the pharynx It helps in the hearing process - air can enter the middle ear maintaining atmospheric pressure either side of the tympanic membrane (eardrum) ...
... back of the pharynx. These produce antibodies for protection, if needed It is involved with taste via olfactory nerve endings present in the pharynx It helps in the hearing process - air can enter the middle ear maintaining atmospheric pressure either side of the tympanic membrane (eardrum) ...
Anatomy2_Final_Study_Guide1
... Know the difference between nonspecific (1st and 2nd lines of defense) and specific forms of resistance. Know the primary components of the lymphatic system. Know the primary functions of the lymphatic and immune systems. Know the principle ducts and trunks of the lymphatic system. Know where each d ...
... Know the difference between nonspecific (1st and 2nd lines of defense) and specific forms of resistance. Know the primary components of the lymphatic system. Know the primary functions of the lymphatic and immune systems. Know the principle ducts and trunks of the lymphatic system. Know where each d ...
Section 1: The Circulatory System Every cell in the body needs food
... 2. Make a webbing of facts you have learned about the heart. Place the word heart in the center of your paper. Surround it with facts describing its structure and duties. 3. Choose five terms as answers to questions. Give the terms to a friend who will then invent five questions to go along with the ...
... 2. Make a webbing of facts you have learned about the heart. Place the word heart in the center of your paper. Surround it with facts describing its structure and duties. 3. Choose five terms as answers to questions. Give the terms to a friend who will then invent five questions to go along with the ...
AQA GCSE (9-1)
... Overview of the unit In this unit, students will learn about the structure of plant, animal, prokaryotic and eukaryotic organisms, and the functions of major structures. They will compare the level of detail revealed by light and electron microscopes, calculating magnifications. Students will descri ...
... Overview of the unit In this unit, students will learn about the structure of plant, animal, prokaryotic and eukaryotic organisms, and the functions of major structures. They will compare the level of detail revealed by light and electron microscopes, calculating magnifications. Students will descri ...
Chapter 2: From a Cell to an Organism
... were damaged or lost. These new cells are made by mitosis and cell division. It is important to understand that the processes of mitosis and cell division do not produce all cells. For example, a different kind of cell division produces sperm cells or egg cells from reproductive cells. You will read ...
... were damaged or lost. These new cells are made by mitosis and cell division. It is important to understand that the processes of mitosis and cell division do not produce all cells. For example, a different kind of cell division produces sperm cells or egg cells from reproductive cells. You will read ...
Microsoft Word 97 - 2003 Document
... Studies of animal transport or circulatory systems have been going on from very early times. From the Greek Galen's 2nd century ideas of blood simply "ebbing and flowing like the tides" in animal bodies, we have been adding to our knowledge continuously. Notable landmarks were achieved in the 17th c ...
... Studies of animal transport or circulatory systems have been going on from very early times. From the Greek Galen's 2nd century ideas of blood simply "ebbing and flowing like the tides" in animal bodies, we have been adding to our knowledge continuously. Notable landmarks were achieved in the 17th c ...
Lesson 4 - Scientist in Residence Program
... alveolus (plural: alveoli): little empty sacs at the end of the bronchioles; this is where gas exchange occurs (i.e., oxygen goes from the air into the bloodstream and carbon dioxide goes from the bloodstream into the air) ...
... alveolus (plural: alveoli): little empty sacs at the end of the bronchioles; this is where gas exchange occurs (i.e., oxygen goes from the air into the bloodstream and carbon dioxide goes from the bloodstream into the air) ...
respiratory system
... capillaries or you could say that external respiration is diffusion of gases between the alveoli and the circulating blood. c. Transport of respiratory gases = gases in blood transported from lungs to body cells and back to lungs i.e. delivery of oxygen from the lungs to the cells and delivery of ca ...
... capillaries or you could say that external respiration is diffusion of gases between the alveoli and the circulating blood. c. Transport of respiratory gases = gases in blood transported from lungs to body cells and back to lungs i.e. delivery of oxygen from the lungs to the cells and delivery of ca ...
Skeleton to Initial Groups
... stranded); thallus midline distinct to base of thallus; oil cells in epidermis; WS Plants terrestrial; thallus midline +restricted to apices of thalli; oil cells lacking; WS ...
... stranded); thallus midline distinct to base of thallus; oil cells in epidermis; WS Plants terrestrial; thallus midline +restricted to apices of thalli; oil cells lacking; WS ...
The Human Body
... 84. Smooth muscle: An involuntary muscle found in walls of internal organs such as the stomach, intestine, bladder and blood vessels (excluding the heart). 85. Spinal cord: The thick column of nerve tissue that links the brain to most of the nerves in the peripheral nervous system 86. Stirrup - (als ...
... 84. Smooth muscle: An involuntary muscle found in walls of internal organs such as the stomach, intestine, bladder and blood vessels (excluding the heart). 85. Spinal cord: The thick column of nerve tissue that links the brain to most of the nerves in the peripheral nervous system 86. Stirrup - (als ...
Your Body Systems
... bone, which is hard and dense, but not solid. Small canals run through the compact bone, carrying blood vessels and nerves from the bone’s surface to the living cells within the bone. Just inside the compact bone is a layer of spongy bone, which has many small spaces within it. ...
... bone, which is hard and dense, but not solid. Small canals run through the compact bone, carrying blood vessels and nerves from the bone’s surface to the living cells within the bone. Just inside the compact bone is a layer of spongy bone, which has many small spaces within it. ...
Unit 1 Cells and System
... of particles in and out of the cell. • Cytoplasm, the jelly-like substance within the cell, contains organelles, water, and other life supporting materials. • The nucleus: controls all the activities within the cell. ...
... of particles in and out of the cell. • Cytoplasm, the jelly-like substance within the cell, contains organelles, water, and other life supporting materials. • The nucleus: controls all the activities within the cell. ...
4_Trilaminar_Embyo_(week3)
... NOTE: All the pictures/diagragms for this topic only show the amniotic cavity & the yolk sac (2o), however, these are surrounded by a chorionic cavity (except at the connecting stalk at the caudal end of the developing embryo) & the tri-layer membrane, known as the chorion, (see embryonic wk 2 lectu ...
... NOTE: All the pictures/diagragms for this topic only show the amniotic cavity & the yolk sac (2o), however, these are surrounded by a chorionic cavity (except at the connecting stalk at the caudal end of the developing embryo) & the tri-layer membrane, known as the chorion, (see embryonic wk 2 lectu ...
Pregnancy and development File
... 4 The sperm forms an acrosomal process, which binds to the oocyte’s sperm-binding receptors. 5 The sperm and oocyte plasma membranes fuse, allowing sperm contents to enter the oocyte. 6 Entry of sperm contents (tail and plasma membrane remain behind) causes a rise in the Ca2+ level in the oocyte’s c ...
... 4 The sperm forms an acrosomal process, which binds to the oocyte’s sperm-binding receptors. 5 The sperm and oocyte plasma membranes fuse, allowing sperm contents to enter the oocyte. 6 Entry of sperm contents (tail and plasma membrane remain behind) causes a rise in the Ca2+ level in the oocyte’s c ...
Worms, Cnidarians, and Sponges
... the parent sponge and eventually break off and float away. Sexually: Fertilization. Sperm are released by a male sponge and then fertilize a female’s eggs. ...
... the parent sponge and eventually break off and float away. Sexually: Fertilization. Sperm are released by a male sponge and then fertilize a female’s eggs. ...
1 - William M. Clark, M.D
... • Cytology – the anatomical study of the cell. • There are approximately 210 different cell types in the human body • An estimation of the number of cells in the standard human is approximately 100 trillion • The standard human for physiologic purposes is generally a male – approximately 5 foot 9 in ...
... • Cytology – the anatomical study of the cell. • There are approximately 210 different cell types in the human body • An estimation of the number of cells in the standard human is approximately 100 trillion • The standard human for physiologic purposes is generally a male – approximately 5 foot 9 in ...
Lec 09 - Structure-Circulatory System
... through compartments separated by fibromuscular septa or membranes. The main pump is the pulsatile dorsal vessel (`heart'). The anterior part may be called aorta and the posterior part the heart. The dorsal vessel is a simple tube, generally composed of one layer of myocardial cells and with segment ...
... through compartments separated by fibromuscular septa or membranes. The main pump is the pulsatile dorsal vessel (`heart'). The anterior part may be called aorta and the posterior part the heart. The dorsal vessel is a simple tube, generally composed of one layer of myocardial cells and with segment ...