What does your circulatory system have in common with your nervous system?
Question 23 options:

They both deliver blood to vital organs.

They both control food intake using positive and negative feedback.

They both send electrical impulses from the body to the brain.

They both guard your body against infection.

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?