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Microbes= Microorganism, Microscopic Organism _______________ _______________ _______________ _______________ Found _________________...water, surface of living things, inside living organisms Disease Caused by a __________entering a place in the body where they_____________________ Organism experiences ___________function Show _______________= your body’s response to disease (fever, vomiting, joint pain, skin condition, etc.) Can be _____________________________or _____________________________________ Bacteria • Single celled organisms – _________ • Very small, Need microscope to see • **________________ • Can be found on most materials and surfaces – Soil, Water, Air, etc. • Billions on your _________and in your body’s _____________track right now! • Different shapes =_______________________ • Have cell membrane, cell wall, &___________ • Cytoplasm contains _________material floating _________+ ribosomes (_________________or other organelles) • Has ____________________& cilia • Can move, reproduce, eat, etc. Helpful vs Harmful Bacteria • Harmful Bacteria = Germs, _______________ – Cause disease by ___________________into body – Toxins are the _________________ from bacteria – Bacterial infections fever, swelling, rash – Treat with___________________! • Helpful Bacteria: – Eat other ____________substances – Help plants and animals __________________to be used by organism – ____________ food in your stomach Viruses • VERY small! • Contains protein coat =________ • Contains ______ or ______ • NOT A ____________ CELL!! • _________ reproduce, eat, move, or maintain homeostasis • Try to get inside ______________to reproduce • Must fit cell membrane like “________________” Virus Replication • If virus finds suitable living host cell… – Attaches to ___________and injects __________ into cell – DNA or RNA directs host cell to _________________of virus particle – Copies of virus cause host cell to____________________! – Viruses go on to _________________cells Parasites • An organism that has a _____________ relationship with a _________organism • Parasite lives _______or ______ the host • Slowly __________or _______host _________ • EX:______________, bacteria, ticks,_________________, heartworm, mites, fleas, athlete’s foot, fungi, invertebrate insects Viral Diseases AIDS • Caused by _____________ • Diminishes function of _________ system • Susceptible to____________ • Treat with Anti-_________ Drugs • Deadly Influenza • Contagious ___________Illness • Fever/Chills • Vomiting/Diarrhea • Body Aches/Fatigue • Cold Symptoms • Recover _____________if no complications Common Cold • Over _____ cold viruses • Coughing, sneezing, watery eyes, runny nose, sore throat • Recover_________________ Polio • Affects______ • Can lead to ____________ • Have ____________for it • ___________ in many countries Chicken Pox • _________disease • Shingles is ________ version • Itchy, fluid-filled ___________ that will scab over • Have _________ for it • Very contagious _______________ you have it Small Pox • _______________ • U.S. stopped giving vaccine in 1972, stopped by 1980 worldwide • Virus __________ _________ in 1977 • Causes raised pink skin ______that turns into_______, then crusts over • Threat of use in _________warfare Yellow Fever • Spread by _________(Vector!) • South America/ Africa • Causes ______ or _______ Failure • Have_________ Viral Meningitis • Infection of ______ around ______and____________ • Viral is less_______ than bacterial • Spread through person-to-person ________ or______ • May have a____________ West Nile • Mosquito bites _______________, mosquito acts as ___________, bites human and ___________ disease • Prognosis is_____ Warts • Growths on the_______ • Caused by ____________________ Virus (HPV) • Transmission from person to person is uncommon • Can treat with_________________– except for face or genital warts • _______________is used for prevention of warts and cervical cancer caused by HPV in ______ Ebola • Causes Ebola Hemorrhagic Fever • In___________, where health care is not good • ________ within 2 weeks from massive _____________ Rabies • Spread by _________ __________(dog, bat, raccoon, fox, skunk) • _________is passed when animal bites human • Virus passes to ________, causes inflammation • Drooling, Convulsions, ____________at mouth • Death within week • Is a vaccine that must be given ______________bite Mononucleosis • “_____________” • Passed through sharing _________ • Swollen _______ _______(neck), fatigue, white on tonsils, sore throat, fever, enlarged __________ • Must avoid physical ________ in activity Bacterial Diseases Syphilis • _________ transmitted • Painless _____, skin rash • 3 Stages – 3rd stage spreads to heart, bones, brain, nervous system, skin • Treated with ___________ Leprosy • Skin lesions • Stuffy nose • ________ Damage • ___________ • Treat with ____________ Tetanus • Get the vaccine! • Spore gets into body through _________ and releases bacteria • Bacteria create _________ that blocks nerve signals from spinal cord to muscles • Lockjaw • ___________ from back spasms Legionnaires Disease • _______ inflammation caused by inhaling legionella bacteria • Fever, chills, muscle aches, & cough • Bacteria grow in _______________ Tuberculosis • Contagious bacterial infection of_________ • Inhale ________ from infected person • Cough up ______ or ________ • Fever, fatigue, weight loss, ________________ Plague • Bubonic, Pneumonic, Septicemic • _________ carry disease • ________acts as _________ to transfer to humans • Blood__________________ turning them______! Food Poisoning • From _________ or ______ bacteria • From improper handling, storage, or washing of______; or undercooked food • Severe diarrhea, vomiting, stomach cramping, fever, chills Peptic Ulcers • From H. pylori bacteria in_________ • Burning ________ in stomach, nausea, vomiting, _______ in stools, weight loss Lyme Disease • Bacteria come from _____ or ______ • _______act as vector to pass the bacteria to humans • Characteristic “___________” rash • Itching,_______ ______________, stiff neck, flu-like symptoms Bacterial Meningitis • Infection of fluid around brain & spinal cord • 3 types of bacteria • Treat with ____________! • Very serious – can lead to ________ _________or death • _____________, headache, fever Parasites & Mutagens Athletes’ Foot _____________ infection of the skin. Causes scaling, flaking and itch. Transmitted in moist areas where people walk _________ ( showers or locker rooms) Mesothelioma _______________ _____) caused by exposure to ______________________ Inhaled asbestos fibers cause irritation and inflammation to the surrounding lung tissue where they get lodged. Local irritation and inflammation leads to the production of various body chemical substances which create changes to the lung cells. Malaria Caused by a ________ ________, It involves high fevers, shaking chills, flu-like symptoms, and anemia. Genetic & Environmental Heart Disease – Some _________ causes – Some ___________ causes (diet, cigarettes) Many Cancers – Some _________ (inherited) – Some due to ________________ – Some the result of ________________ Asthma – __________ of bronchi in lungs – Aggravated by _______________ conditions Allergies – ___________ system over-reacts to allergens in environment – Pollens, drug, food