Digestive System Independent Practice Questions

What is an example of chemical digestion?

• teeth grinding the food

• saliva breaking down the food

• peristalsis

• the smooth muscle of the stomach churning the food

What is an example of mechanical digestion?

• teeth grinding the food

• saliva breaking down the food

• stomach acids breaking down the food

• defecation

After chemical and mechanical digestion have occurred, which process is able to happen?

• ingestion

• digestion

• absorption

• elimination

Where do nutrients and other small molecules pass to as they are absorbed through the wall of the gastrointestinal tract?

• the brain

• the nerves

• the bloodstream

• the gall bladder

What is the process called when "feces is eliminated from the body"?

• defecation

• urination

• sublimation

• carbonation

Organize these options into the right categories

Groups:

(a) Gastrointestinal Tract

,

(b) Accessory Organ

,

(c) Not part of the digestive system!

• digestive organs that food does NOT pass through

• between 16-23 feet long

• includes the small intestine

• the urinary tract

• includes the stomach

• includes the pancreas

• includes the esophagus

• includes the gall bladder

• Also known as the alimentary canal

• includes the rectum

• includes the liver

• includes the anus

• includes the tongue

• pathway of organs that food passes through

• includes the large intestine

• includes the salivary glands

• includes the teeth

• includes the pharynx

• includes the mouth

• also known as the digestive tract