G8-4th

Both the mechanical and chemical types of digestion are initiated in the mouth.

• True

• False

The epiglottis lies after the pharynx, and it prevents the food from entering the respiratory tract.

• True

• False

The canine teeth are responsible for cutting, crushing, and grinding the food.

• True

• False

The pyloric sphincter prevents the backflow of food from the small intestine into the cardia of the stomach.

• True

• False

The pharynx is exclusively a part of the digestive system

• True

• False

The esophagus has a sphincter in both of its upper and lower portions.

• True

• False

. The gastric juice consists of hydrochloric acid, mucus, and enzymes.

• True

• False

The fundus is the region of the stomach that is closest to the duodenum.

• True

• False

The stomach is the main site for the digestion of food.

• True

• False

The large intestine is the primary site for the absorption of water and vitamins.

• True

• False