collegegirl22 collegegirl22

06-10-2016
Biology

contestada

which system produces the body's heat?

A) integumentary
B) Circulatory
C) Muscular
D) Digestive

Respuesta :

Bookdragon Bookdragon

06-10-2016

C) Muscular
This is because muscle contractions (no matter how small) produce friction which releases energy in the form of heat

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tonygz2181 tonygz2181

08-02-2019

Its definitely Muscular

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