Digestion + Nutrition

Question 1

What is the function of carbohydrates and give an example

Answer 1

Provides immediate energy

Rice/pasta/potatoes

Question 2

What is the function of protein and give an example

Answer 2

Growth and repair

Meat/eggs

Question 3

What is the function of lipids and give an example

Answer 3

Long term energy, insulation and protection

Fish, eggs, milk

Question 4

What is the function of Vitamin A and give an example

Answer 4

Good vision, formation and maintenance of healthy skin, teeth and soft tissues of the body, has anti-oxidant properties for the immune system
Milk/cheese/eggs

Question 5

What is the function of Vitamin C and give an example

Answer 5

Aids absorption of iron and copper, helps fight infection

Oranges

Question 6

What is the function of Vitamin D and give an example

Answer 6

Aids absorption of calcium
Sunlight on skin allows the body to produce Vitamin D
It is in small amounts in salmon and eggs

Question 7

What is the function of calcium and give an example

Answer 7

Develops and maintains bones and teeth, helps muscles, nerves and the heart to function well
Milk, cheese

Question 8

What is the function of iron and give an example

Answer 8

Haemoglobin for red blood cells

Red meat like beef

Question 9

What is the function of dietary fibre and give an example

Answer 9

Keeps bowels functioning well

Bread

Question 10

What is the function of water and give an example

Answer 10

Chemical reactions need water, respiration

Water

Question 11

What does the mouth do in digestion?

Answer 11

Mechanical digestion, through chewing, a bolus is created (a ball of food covered in saliva)
Amylase in the saliva breaks down the starch, the food is also lubricated so it can be swallowed easier

Question 12

What does the oesophagus do in digestion?

Answer 12

Connects mouth and stomach

Peristalsis moves the food downwards

Question 13

What does the stomach do in digestion?

Answer 13

Churns and uses enzymes to break down things like proteins (using protease or pepsin)

Question 14

What does the small intestine do in digestion?

Answer 14

It absorbs digested molecules into the blood stream

The villi that line it gives it a large surface area so many molecules can diffuse into the blood

Question 15

What does the large intestine do in digestion?

Answer 15

It absorbs water from undigested food, producing faeces

Question 16

What does the pancreas do in digestion?

Answer 16

Produces the enzymes lipase, amylase and protease