BIOE 120: Digestive System Functions

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Where does absorption of nutrients occur in the small intestine?

Muscularis externa

Mucosa (correct)

Serosa

Submucosa

What is the function of the muscularis externa in the digestive system?

Secretion of digestive enzymes

Absorption of nutrients

Storage of food

Peristalsis (correct)

Where does digestion begin?

Small intestine

Mouth (correct)

Esophagus

Stomach

How does food move from the pharynx to the esophagus?

By muscle contraction Signup and view all the answers

How does the stomach digest food?

Mechanically and chemically Signup and view all the answers

What is the primary function of the gallbladder?

To store and concentrate bile Signup and view all the answers

What is the role of the liver in the body?

To control which nutrients to store and send to the rest of the body Signup and view all the answers

Where does the blood carrying nutrients from the digestive tract flow through?

The liver Signup and view all the answers

What is the first stop in the body for ingested toxins such as alcohol?

The liver Signup and view all the answers

What is the primary function of the digestive system?

To convert ingested food into a usable form Signup and view all the answers

What is the function of the large intestine?

To hold and compact material left over from digestion Signup and view all the answers

What is the role of the digestive tract in the digestive system?

It is a muscular tube that passes through the body from the mouth to the anus Signup and view all the answers

What is an additional function of the large intestine?

To return water to general circulation and absorb vitamins Signup and view all the answers

Which of the following is NOT a function of the digestive system?

To store nutrients for later use Signup and view all the answers

What is the role of accessory digestive organs in the digestive system?

They provide input to the digestive tract Signup and view all the answers

What is the final function of the digestive system?

To eliminate waste from the body Signup and view all the answers

What is the function of the urethra?

To excrete urine to the outside of the body Signup and view all the answers

What triggers the urge to defecate?

Stretching of the rectum due to peristaltic contractions Signup and view all the answers

What is a function of the urinary bladder?

To store urine and expel it into the urethra when necessary Signup and view all the answers

Where are the kidneys located?

On the posterior abdominal wall on each side of the vertebral column Signup and view all the answers

What is a function of the kidneys?

To regulate blood volume and contents, pH and blood pressure Signup and view all the answers

What is the shape of the kidneys?

Bean-shaped Signup and view all the answers

What is the primary function of the renal corpuscle in the nephron?

To filter blood plasma Signup and view all the answers

BIOE 120: Digestive System Functions

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