12. How will your body react to a sudden change in temperature?
I. The blood vessels will constrict to retain heat in the body.
II. The heart rate will decrease to slow down metabolism.
III. The muscles will shiver to generate heat.
IV. The sweat glands will produce more sweat to release heat.
A.I & II
C. II & III
B. III & IV
D. I & III
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Answer:
A. l.and ll
Explanation:
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