Digestive system

Question 1

What is digestion

Answer 1

Digestion is the breakdown of large molecules in food into smaller molecules so that they can be absorbed into the blood.

Question 2

Why is digestion important

Answer 2

Digestion is important to get the nutrients needed for energy growth and repair.

Question 3

How does the mouth contribute?

Answer 3

The teeth and saliva in the mouth breakdown the food into smaller pieces . Enzymes in the saliva break down the down the starch.

Question 4

How does the oesophagus contribute.

Answer 4

Once you swallow the food travels down the oesophagus, with the help of the muscles pushing on it, and ends up in the stomach.

Question 5

How does the stomach contribute

Answer 5

The food is churned in the stomach and acids and enzyme rich juices are released to break down the food down further creating a substance called chyme.

Question 6

How does the small intestine contribute?

Answer 6

In the small intestine , bile is mixed with the chyme to provide the correct ph for the enzymes and to emulsify the fats.Useful nutrients are absorbed into the bloodstream.

Question 7

How does the large intestine contribute.

Answer 7

In the large intestine, any leftover water is absorbed into the body leaving the uk digested food.

Question 8

How does the rectum contribute?

Answer 8

The waste is stored in the rectum and later exits the anus.