Insulin.
no
the stomach
Capillaries in Villi absorb all other nutrients except fat.
amino acids
No. Amino acids are the building blocks of proteins, while steroids form just a portion of the hormone family.
So you can absorb amino acids contained by protein as protein molecules are too big to absorb.
phagocytosis
Yes; at rest, muscles use free fatty acids for metabolism.
The GH growth hormone is a protein, and proteins are not bad for you. They are full of amino acids as well, and have many benefits that can be noticed.
promotes the entry of glucose and amino acids into tissue cells
These muscles push down the food. the stomach turns the proteins into amino acids and carbs into sugars and fats into glycerol and fatty acids
A stomach.