1. Who first proposed the germ theory of disease?,
2. Name three kinds of pathogens.,
3. What body system fights off infection?
4. What kind of white blood cell destroys pathogens by engulfing them?
a. phagocytes
b. lymphocytes
c. T cells
d. B cells
5. What is an antibody, and what does it do?.
6. Choose the word that completes the following sentence:
during breastfeeding.
a. Acquired
b. Active
c. Passive
d. Opportunistic
immunity can be passed from mother to child
7. Why do scraped knees and insect bites become red and painful
or itchy?
8. How can antiseptics keep you from getting sick?
9. What is an allergy?,
10. Name one risk that leukemia patients face after a bone marrow
transplant.