Answer:
c
Explanation:
it would be c because the nervous system works just like electric wires
A it would be predation. I can explain if you want.
The answer is Amino Acids!
Amino acids are responsible for forming polypeptide chains, which are proteins.
<span>Digestive enzymes of diverse specificities and are found in the saliva secreted by the salivary glands, in the secretions of cells lining the stomach, in the pancreatic juice secreted by pancreatic exocrine cells, and in the secretions of cells lining the small and large intestines.</span>