Digestive activities are mostly controlled by reflexes of the parasympathetic nervous system.

Liver cells, or hepatocytes, receive blood from the

_____ – study of how organisms acquire and use energy

_____ – study of how organisms acquire and use energy

Most of the important digestive and absorptive functions occur in the (a)

Most of the important digestive and absorptive functions occur in the (a)

Bile secretion occurs __________, but bile release occurs __________.

The digestive system breaks down the physical structure of the ingested material and then disassembles the component molecules into smaller fragments through _____

The wall of the small intestine bears a series of folds called the

The wall of the small intestine bears a series of folds called the