The Digestive System

Question 1

Function of the digestive system

Answer 1

To break down complex food into someone substances that can be absorbed into the blood stream
Provides energy
Builds new tissues

Question 2

What is mechanical digestion

Answer 2

It involves action and movement for example the teeth chewing or the stomach churning.

Question 3

What is chemical digestion?

Answer 3

The digestive tract releases chemicals of different rates of the process so food can become soluble and easily absorbed into the bloodstream.

Question 4

Mouth

Answer 4

The incisors cut food
The canines hold and tear food
The Premolars grind soft food
The molars grind hard food

Question 5

Salivary glands

Answer 5

They contain enzymes

Question 6

Taste buds

Answer 6

All taste buts can detect food but some prefer specific tastes to others

Question 7

The tongue

Answer 7

They turn food into Bolus

Question 8

The Oesophagus

Answer 8

The long tube situated between the mouth and the stomach
It is 26 cm long
They have ryhtmic movements called at peristalsis

Question 9

The stomach

Answer 9

Short term storage
They enzymes digest proteins
Churns food into chyme
Liquefies food

Question 10

Small intestine

Answer 10

Digestion of carbohydrates, fats and proteins

Absorption of all nutrients into the bloodstream