Question

what is the function of enzymes in the human body?
a monitor responses
b move the muscles
c control the breathing rate
d speed up chemical reactions
if b is your answer, click the next button. otherwise, select another answer.

Explanation:

Enzymes are biological catalysts that lower activation energy, accelerating chemical reactions in the body without being consumed. Options A, B, and C describe roles of other molecules (e.g., receptors, muscles, regulatory systems), not enzymes.

Answer:

D. speed up chemical reactions