Digestive System

Question 1

What are the parts of the digestive system?

Answer 1

Mouth 
Salivary glands 
Gullet
Stomach 
Liver
Pancreas 
Small intestine 
Large intestine 
Rectum
Anus

Question 2

What happens in the mouth?

Answer 2

1. The teeth grind larger pieces of food into smaller pieces of food.
2. The canine teeth rip and tear your food in the mouth.
3. The liquid that is released from the salivary glands is called saliva. This moistens the food so it’s easy to swallow.

Question 3

What happens in the gullet?

Answer 3

1. The trachea pipe closes.

2. The muscles contract to push the food along the gullet.

Question 4

What happens in the stomach?

Answer 4

1. Strong hydrochloric acid churns the food in the stomach

2. Enzymes help break the food down quicker

Question 5

What happens in the intestines and anus?

Answer 5

1. The small molecules of food get absorbed into the blood stream in the small intestine
2. The large intestine takes the water out of the food.
   3A) faeces are stored in the rectum
   B) faeces are released in the anus

Question 6

What would happen if the windpipe did not close when you swallow?

Answer 6

The food will block it and you will choke

Question 7

What would happen if the large intestine did not absorb the water?
What is the illness called?

Answer 7

1. It will go out of the anus

2. Diarrhoea