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Brums [2.3K]
3 years ago
10

Think about how your body reacts if you start exercising. How do the nervous, muscular, circulatory, and respiratory systems res

pond to an increased oxygen demand?
Biology
1 answer:
creativ13 [48]3 years ago
8 0

Answer:

magik

Explanation:

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The most abundant element in the atmosphere can also be found in ?
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2 years ago
______ cells destroy body cells infected by a virus or bacteria.
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Answer:

killer T

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