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

The attachment of teeth to the alveolus is called a

The esophagus is lined with

Decreased levels of bile salts in the bile would interfere with digestion of

Small pocketlike sacs within the large intestine that most often are partially contracted are called haustra.

Bile is secreted into narrow channels called __________ between adjacent liver cells.

Which of these foods would be the most mineral-rich: