(Figure: Savings, Investment, and Aggregate Expenditures) Savings and investment are in equilibrium at point

Put the following steps of stomach acid production in the correct order starting with the reaction that requires an enzyme.1. Carbonic acid dissociates.2. Chloride ion combines with H+ in the gastric lumen.3. Water and CO2 combine to form carbonic acid.4. H+ and bicarbonate ion are transported into the gastric lumen.5. Cl- diffuses into the gastric lumen.

The majority of nutrient absorption occurs in the

Functions of the stomach include all of the following except

________ are also known as canines.

Functions of the tongue include all of the following except

Place the following structures in order as food passes into them.1. cecum2, duodenum3. ileum4. jejunum5. stomach

An enzyme secreted by the gastric mucosa of a newborn that coagulates milk proteins is

The lamina propria and mucous epithelium are components of the

________ are also known as canines.