Blood Chapter 12.4
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cltee3 Teacher on February 25, 2012
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14 terms
Terms | Definitions |
|---|---|
 What is the function of the immune system? | to fight off diseases |
| What are the chemicals that help destroy bacteria or viruses? | antibodies |
| What are the foreign bodies, usually proteins, that invade the body and casue disease? | antigens |
| How does a white blood cell destroy an antigen? | produces a matching antibody and destroys the bacterium |
| What is the ability of a person who once had a disease to be protected from getting it again? | immunity |
| What diseases are prevented by the antigens in a DPT shot? | diptheria, pertussis, tetanus |
| What is the cause of AIDS? | HIV, a virus |
| What are four ways AIDS can be passed to another? | sharing needles, sexual intercourse, mother to baby, and blood transfusion |
| What are the organs of the immune system? | spleen, lymph nodes, tonsils,bone marrow |
| What is the function of the lymph nodes? | to produce white blood cells |
| What is the function of the spleen? | to remove RBC's and make WBC's |
| What would be the white blood cell count of someone with leukemiia? | 100,000 |
| What do white blood cells destroy? | dead RBC's, viruses, bacteria, |
| What is released into the blood stream when antigens invade the body? | antibodies |
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