Digestive System Fill in the Blank Questions

The GI tract is also known as the __________ tract.

Alimentary

Herbivores are animals that eat only __________.

Plants

Carnivores are animals that eat mostly __________.

Meat

Omnivores eat both __________ and __________ products.

Meat; plant

Ruminants have a stomach that has more than __________ compartment(s).

One

Monogastrics are animals with a __________ stomach.

Single

The area of the GI tract involved in swallowing is called the __________.

Pharynx

The four compartments of the ruminant stomach include the reticulum, rumen, __________, and abomasum.

Omasum

Saliva contains __________ enzymes to begin the chemical breakdown of food.

Digestive

The process of breaking down food materials into smaller pieces in the oral cavity is called __________.

Mastication

Chemical digestion in the stomach is initiated by __________ acid.

Hydrochloric

The __________ is the muscular sphincter that controls the movement of chyme into the small intestine.

Pylorus

The small intestine is divided into three regions: duodenum, jejunum, and __________.

Ileum

The absorbed nutrients in the small intestine travel to the __________.

Liver

In the large intestine, the function is to absorb fluids, electrolytes, and form __________.

Feces

The __________ is responsible for defecation, collecting feces as they arrive.

Rectum

The liver produces bile, which is necessary for fat __________.

Digestion

The pancreas has both endocrine and __________ functions.

Exocrine

The enzyme responsible for digesting proteins is called __________.

Pepsin

In ruminants, the process of bringing food back for further chewing is called __________.

Rumination

The lining of the abdominal cavity is known as the __________.

Peritoneum

The tissue that holds the small intestine together and contains blood vessels is called __________.

Mesentery