Diet

Question 1

Carbohydrates, found in, function

Answer 1

Pasta, rice, sugar

Provides energy

Question 2

Lipids, found in, function

Answer 2

Butter, oily fish

Provides energy, acts as an energy store and provides insulation

Question 3

Proteins, found in, function

Answer 3

Meat, fish

Needed for growth, repair of tissue and to provide energy in emergencies

Question 4

Vitamins found in, function

A:
B:
C:
D:

Answer 4

A: liver, carrots, helps to improve vision and keep your skin and hair healthy

B: oranges, needed to prevent scurvy

C: eggs, needed for calcium absorption

D:sunlight

Question 5

Mineral irons, found in, function

Calcium:
Iron:

Answer 5

Calcium: milk, cheese, needed to make bones and teeth

Iron: red meat, needed to make haemoglobin for healthy blood

Question 6

Water, found in, function

Answer 6

Food and drink, any bodily function relies on water- we need a constant supply to replace water lost in sweating, breathing and urinating

Question 7

Dietary fibre, found in, function

Answer 7

Wholemeal bread, aids the movement of food through the gut

Question 8

What is the effect of temp on enzymes:

Answer 8

Cold—> work slowly-less particle collisions

Hot—> if they get heated there are more particle collisions therefore they work faster, BUT if they get heated over a certain temp they denature and change shape

Question 9

What does bile do:

Answer 9

Bile breaks down lipase from a large insoluble molecule to small soluble molecules with a large surface area so it can be digested quickly

Question 10

How is villus adapted to do its job well

Answer 10

1) have microvilli- creates a big surface area
2) many capillaries- absorbing digested food
3) thin- short distance for food to absorb through