Digestions

Question 1

What is digestion?

Answer 1

Digestion is all about making large insoluble molecules of food into smaller soluble ones- which the body can then absorb and use (breaking down food)

Question 2

What two steps of digestions do you know?

Answer 2

1. Breaking down the food mechanically- chewing with your teeth
2. Breaking down the food chemically- using biological agents called enzymes

Question 3

Name 6 main bits of digestive system.

Answer 3

1. Mouth
2. Gullet
3. Stomach
4. Small intestine
5. Large intestine
6. Rectum

Question 4

What is the function of mouth?

Answer 4

Digestion starts here, where teeth have a good chew and mix food with saliva, which contains enzymes. This digest starch into glucose

Question 5

Qhat for do you need gullet (oesophagus)?

Answer 5

It links the mouth to stomach

Question 6

What is the main function of stomach?

Answer 6

Here the food mixes with enzymes which digest the proteins. There is hydrochloric acid to kill bacteria and give low pH for the enzymes to work

Question 7

What happens in small intestine?

Answer 7

1. The pancreas and the small intestine produce more enzymes for further digest protein, carbohydrates and fats

Question 8

What does the large intestine?

Answer 8

Here the water is absorbed we need it so we don’t all shrivel up

Question 9

What happens in Rectum?

Answer 9

Here the digestions story ends when it plops out of the anus-the correct name for this is egestion

Question 10

why shouldnt you go for a long run just after eating a meal

Answer 10

the food hasnt digested yet so you might not have all energy needed to run a long distance

Question 11

why is it important that that the blood supply to the brain stays constant

Answer 11

because your brain tells your body what to do and if your brain will not recieve enough energy, oxygen, blood then it will stop working