How does the structure of the small intestine help it to perform its function?
A
Compartments in the small intestine hold bile from the liver to make the absorption of nutrients more efficient.B
Involuntary muscles of the small intestine contract to make the absorption of nutrients more efficient.C
Glands in the small intestine hold saliva to make the absorption of nutrients more efficient.D
Villi in the small intestine have thin-walled capillaries to make the absorption of nutrients more efficient.