Lipids are absorbed in the small intestine as:

This muscle is a skeletal muscle:

The role of bile is:

These enzymes are not secreted in the lumen and are necessary for digestion of maltose, lactose, sucrose, and dipeptides:

The two main muscles of inspiration are the diaphragm and the external intercostal muscles.

In the mouth there is secretion of the following enzymes:

The respiratory center is found in:

Where on the figure is the tracheal cartilage?  Enter the corresponding letter for this structure.

Excess of glucose will be converted in the form of proteins as a preferred storage.

This is the preferred source for ATP production: