An the layer of the skin that contains nerves and blood vessels that supply the surface of the skin is the

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature about 37 degrees celsius (98.6 degrees f)? describe what might happened the temperature decreased by 10 degrees celsius.

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?