Parts Of The Digestive System

Question 1

What does the mouth do?

Answer 1

The teeth break the food down.

Then saliva is mixed with the food, allowing it to be swallowed.

Question 2

What does the esophagus do?

Answer 2

Pushes the food from the mouth to the stomach. It does so in muscular waves.

Question 3

What is the process where muscular waved push food along the oesophagus called?

Answer 3

Peristalsis.

Question 4

How does the stomach hold food?

Answer 4

It is a muscular bag that can expand when lots of food is in it.

Question 5

How long does food stay in the stomach for?

Answer 5

Approx. 4 hours.

Question 6

How is food digested in the stomach?

Answer 6

By constant stomach contractions.

Question 7

What acid is released form the glands?

Answer 7

Hydrochloride acid.

Question 8

What does hydrochloric acid do?

Answer 8

Kills germs. Provides the correct pH for protein to be digested.

Question 9

What conditions does protease only work in?

Answer 9

Acidic conditions.

Question 10

What is the duodenum?

Answer 10

The first part of the small intestine.

Question 11

Where is bile made and stored?

Answer 11

Made in the liver, stored in the gall bladder.