there are two systems in the human body that are devoted exclusively to the regulation of the body organs...?

Question

a) endocrine and circulatory system
b)respiratory and circulatory
c)nervous and circulatory
d)nervous and endocrine
e)respiratory and nervous

Answer 1

The answer is D, nervous and endocrine. Everything else (circulatory and respiratory) has other functions.

Answer 2

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