Because hormones secreted by endocrine glands regulate the activity of body cells ..the release of body hormones into the blood is controlled by a stimulus either causes an increase or a decrease in the amount of hormone secreted .
I don’t know the answer to this question
Produced during ATP synthase in the mitochondria
<span>B. A virus that causes a common cold
Hope this helps!
</span>
An autotroph is an organism that can build its own food