Some diseases, like chicken pox, people only get once. why?
a) your skin keeps out the...
Biology, 03.01.2020 19:31 KAITLYN007
Some diseases, like chicken pox, people only get once. why?
a) your skin keeps out the germs.
b) your allergens protect you.
c) the disease can only enter your body once.
d) some of the antibodies stay in your blood.
Answers: 2
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