The Digestive System

Question 1

What is a system

Answer 1

A system is a group of organs working together

Question 2

Digest meaning

Answer 2

Digest: To break down large food particles to smaller particles.

Question 3

Why do we need a digestive system?

Answer 3

Cells need food to carry out their functions.
The food required in cells is delivered by the circulatory system.
The food eaten is usually in large particles that need to be broken down.

Question 4

Why do we need food?

Answer 4

For energy, growth, and repair

Question 5

What are the five steps to provide nutrition for the body?

Answer 5

ingestion, digestion, absorption, assimilation, egestion

Question 6

What organs are involved in the digestive system?

Answer 6

The mouth (teeth), oesophagus, stomach, small intestine, large intestine/colon, salivary glands, liver, gall bladder, pancreas.

Question 7

what is amylase

Answer 7

amylase is an enzyme that breaks starch down to a sugar, maltose

Question 8

What are enzymes

Answer 8

an enzyme is a chemical, found in living organisms, that speeds up chemical reactions.

Question 9

What is Peristalsis?

Answer 9

It is a muscular movement that only occurs in the muscles of the digestive system. It is used to push the food along the system.

Question 10

Name the teeth and their functions

Answer 10

Incisors: cut and slice food
Canines: Grip and tear food
Premolars: Chew and grind food
Molars: Chew and grind food

Question 11

What carries out chemical breakdown in the digestive system?

Answer 11

Enzymes carry out the chemical breakdown of food in the digestive system.

Question 12

What is a biochemical reaction

Answer 12

any chemical reaction that takes place in a living organism is known as a biochemical reaction.

Question 13

Name a chemical formula for maltose and glucose

Answer 13

Amylase breaks down large starch molecules into smaller particles of a sugar called maltose.
Maltase breaks down the maltose into glucose.

Question 14

Name two enzymes

Answer 14

Amylase, and maltose

Question 15

What produces the enzyme amylase

Answer 15

The salivary glands

Question 16

What produces bile and is passed in the _____ to the ______ to be stored.

Answer 16

The liver produces bile and is passed in the bile duct to the gall bladder to be stored.

Question 17

The ______ sends the bile, through the _______, to the ______, when it is needed to digest fat.

Answer 17

The gall bladder sends the bile, through the bile duct, to the small intestine, when it is needed to digest fat.

Question 18

What is the mouths (with teeth) function in the digestive system

Answer 18

Take in food
Crush food with the teeth
Amylase is added to the food

Question 19

What is the esophagus’s function in the digestive system

Answer 19

Carry food down to the stomach

Question 20

What is the Stomach’s function in the digestive system

Answer 20

Churn the food

Add acid to the food

Question 21

What is the Small intestine’s function in the digestive system

Answer 21

Further digestion by enzymes

Absorption of digested food into the blood

Question 22

What is the large intestine’s function in the digestive system

Answer 22

Water is absorbed into the food into the blood

The waste left is prepared for egestion

Question 23

What is the salivary gland’s function in the digestive system?

Answer 23

Make saliva, which contains an enzyme, amylase, to break down starch down to smaller sugars.

Question 24

What is the liver’s function in the digestive system

Answer 24

Produces liquid bile, which helps digest fat

Regulates the amount of each food in the blood

Question 25

What is the Gall bladder’s function in the digestive system

Answer 25

Stores bile from the liver until it is needed

Question 26

What is the pancreas’ function in the digestive system

Answer 26

Makes enzymes to break down food