Digestive System

Question 1

What is the main function of the digestive system?

Answer 1

To break down food into nutrients that can be absorbed by the body

Question 2

Which organ produces bile to help with digestion?

Answer 2

Liver

Question 3

True or False: The small intestine is where most of the nutrient absorption takes place.

Answer 3

True

Question 4

What enzyme is responsible for breaking down carbohydrates in the mouth?

Answer 4

Amylase

Question 5

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

Answer 5

To produce digestive enzymes that helps in digestion.

Question 6

Where does protein digestion primarily occur?

Answer 6

Stomach

Question 7

What is the role of the gallbladder in digestion?

Answer 7

To store and concentrate bile produced by the liver

Question 8

Which part of the digestive system is responsible for absorbing water and electrolytes?

Answer 8

Large intestine

Question 9

What is the function of the villi in the small intestine?

Answer 9

To increase surface area for nutrient absorption

Question 10

What is the pH level of the stomach acid?

Answer 10

Around 1 - 2

Question 11

What is the main function of the large intestine?

Answer 11

To absorb water and electrolytes, and to form and store feces

Question 12

Where does the final stage of digestion and nutrient absorption occur?

Answer 12

Large intestine

Question 13

Which enzyme is responsible for breaking down fats in the small intestine?

Answer 13

Lipase

Question 14

What is the function of the mucus in the stomach?

Answer 14

To protect the stomach lining from the acidic environment

Question 15

What is the primary function of the large intestine in the digestive process?

Answer 15

To absorb water and electrolytes from indigestible food residue

Question 16

What is the role of the esophagus in digestion?

Answer 16

To transport food from the mouth to the stomach

Question 17

What is the main function of the salivary glands in digestion?

Answer 17

To produce saliva containing enzymes that start the digestion of carbohydrates

Question 18

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

Answer 18

To store feces until they are expelled from the body

Question 19

What is ingestion?

Answer 19

Putting food into your mouth

Question 20

Is saliva an example of digestive juices?True or False?

Answer 20

True, because it helps to digest food.It also makes food easier to swallow

Question 21

How does gullet push the food into the stomach?

Answer 21

The muscles in oesophagus contract and relax and move the food along.

Question 22

What is gut?

Answer 22

Its a hollow tube made of different organs.It start from mouth, to food pipe, stomach, small and large intestines and anus.

Question 23

What is the role of liver and pancreas?

Answer 23

They add more digestive juices to small intestines for further digestion and hence absorption.

Liver produces bile which helps digest fats.It contains enzyme call lipase which breaks down fat into lipids

Question 24

What is digestion?

Answer 24

Breaking down of large insoluble molecules into smaller soluble ones.

Question 25

What is digestive system made of?

Answer 25

Gut - Mouth, food pipe, stomach, large and small intestines and anus.

Other organs - Salivary glands, liver, pancreas, rectum

Question 26

What is another name for egestion?

Answer 26

Defaecation

Question 27

What is the difference between excretion and egestion?

Answer 27

Excretion - getting rid of wastes produces by cells.

Egestion - getting rid of solid undigested food from the body

Question 28

Why do we need to digest food?

Answer 28

To break down food into smaller soluble molecules and absorb the nutrients in them needed for cells to grow, move, develop and repair.