Digestive Systems

Question 1

What is the primary function of the digestive system?

Answer 1

To break down food into nutrients that the body can use.

Question 2

True or False: The mouth is the first part of the digestive system.

Answer 2

True

Question 3

Fill in the blank: The ________ connects the throat to the stomach.

Answer 3

esophagus

Question 4

What organ is responsible for nutrient absorption?

Answer 4

Small intestine

Question 5

Multiple choice: Which of the following is NOT part of the digestive system? A) Stomach B) Liver C) Heart D) Pancreas

Answer 5

C) Heart

Question 6

What is the role of the stomach in digestion?

Answer 6

To store food and break it down with acid and enzymes.

Question 7

True or False: The large intestine is longer than the small intestine.

Answer 7

False

Question 8

Fill in the blank: The ________ produces bile, which helps digest fats.

Answer 8

liver

Question 9

What is peristalsis?

Answer 9

The wave-like muscle contractions that move food through the digestive tract.

Question 10

Multiple choice: Which enzyme breaks down carbohydrates? A) Lipase B) Amylase C) Pepsin D) Trypsin

Answer 10

B) Amylase

Question 11

What is the function of the pancreas in digestion?

Answer 11

To produce digestive enzymes and bicarbonate to neutralize stomach acid.

Question 12

True or False: The gallbladder stores bile.

Answer 12

True

Question 13

Fill in the blank: The ________ absorbs water and electrolytes from indigestible food.

Answer 13

large intestine

Question 14

What is chyme?

Answer 14

The semi-liquid mixture of food and digestive juices in the stomach.

Question 15

Multiple choice: Which part of the digestive system is primarily responsible for water absorption? A) Stomach B) Small intestine C) Large intestine D) Esophagus

Answer 15

C) Large intestine

Question 16

What is the role of saliva in digestion?

Answer 16

To begin the breakdown of carbohydrates and lubricate food for swallowing.

Question 17

True or False: Fiber is digested and absorbed in the small intestine.

Answer 17

False

Question 18

Fill in the blank: The ________ is a muscular tube that connects the mouth to the stomach.

Answer 18

esophagus

Question 19

What are villi?

Answer 19

Tiny finger-like projections in the small intestine that increase surface area for absorption.

Question 20

What is the function of the rectum in the digestive system?

Answer 20

To store feces before they are expelled from the body.

Question 21

True or False: Digestion begins in the stomach.

Answer 21

False

Question 22

Fill in the blank: The ________ secretes digestive enzymes and hormones into the small intestine.

Answer 22

pancreas

Question 23

What is the primary role of the small intestine?

Answer 23

To digest food and absorb nutrients into the bloodstream.

Question 24

Multiple choice: Which substance helps emulsify fats? A) Bile B) Saliva C) Gastric juice D) Mucus

Answer 24

A) Bile

Question 25

What is the function of digestive enzymes?

Answer 25

To speed up the breakdown of food into smaller molecules.

Question 26

True or False: The appendix has no known function in the digestive system.

Answer 26

True