Ch 4: Human Digestion, Absorption and Transport

a person having difficulty swallowing. Food seems to enter their stomach too slowly is:

condition characterized by loss of peristaltic functioning.

Parietal cells secrete ions that form ________ in the stomach:

hydrochloric acid

Starting as chyme enters the large intestine, the correct order of the sections of the large intestine:

Ascending colon, transverse colon, descending colon, cecum, sigmoid colon

Substances is secreted by the human stomach:

Gastric juice

an example of mechanical digestion in the GI tract:

Gastrin stimulating HCl production in the stomach

cells of the large intestine secrete mucus:

Goblet cells

Helps form feces by absorbing excess water and some minerals from chyme.

The large intestine

Closes after a bolus has been swallowed and enters the stomach. This sphincter is essential to prevent the contents of the stomach reentering the esophagus:

The lower esophageal sphincter

Is Located between the stomach and small intestine:

The pyloric sphincter

component of bile

bilirubin

A primary function of the digestive system is the

breakdown of food into nutrients.

Avi's salivary glands do not secrete amylase. As a result of his condition, his body:

cannot begin starch digestion.

Chyme moves from the stomach into the:

duodenum

Marcus has an infection that causes a temporary loss of villi. Based on this information, you would expect Marcus to ________ while he has this illness.

lose weight rapidly

The process of digesting food begins in the

mouth

fermented foods

quinoa cheese sourdough bread

Chyme is the:

semisolid liquid formed by the partial digestion of food in the stomach