Digestion

Question 1

Balanced diet

Answer 1

A diet where all components needed to maintain a healthy life are present in good proportions

Question 2

Carbohydrates

Answer 2

store of energy

found in pasta, rice and sugar

Question 3

Protein function

Answer 3

good for growth and repair for cells

found in red meat, liver

Question 4

Vitamin A

Answer 4

Makes for strong immunity to virus, good eyesight

omega 3

Question 5

Vitamin D

Answer 5

For strong bones

eggs, oily fish

Question 6

calcium

Answer 6

Maintains bones

found in dairy

Question 7

Iron

Answer 7

Maintains production of haemoglobin

red meat,liver

Question 8

what is Respiration

Answer 8

energy release in cells

Question 9

More energy input needed

Answer 9

• Pregnant women
• Athletes
• Teens

Question 10

Less energy

Answer 10

• Young children
• old people
  -People who live a sedentary life

Question 11

Mouth

Answer 11

Chews food

Question 12

Salivary glands

Answer 12

Produce amaylase to breakdown starch into Maltose

Question 13

Oesophagus

Answer 13

• Muscles contract to move food through body to stomach

Question 14

Stomach

Answer 14

Produces hydrochloric acid to kill of and microorganisms accidentally ingested during eating

PH 2

Question 15

Liver

Answer 15

Produces Bile

Question 16

Gall Bladder

Answer 16

Stores Bile

Question 17

Bile duct

Answer 17

transports bile to duodenum

Question 18

Pancreas

Answer 18

Secretes pancreatic amylase

Question 19

Duodenum

Answer 19

mixes chewed food, bile and digestive enzymes

Question 20

Ileum

Answer 20

Where nutrients are digested into the blood. Glycerol and fatty acids into the lymph

Question 21

Colon

Answer 21

Water is reabsorbed

Question 22

rectum

Answer 22

Where faeces is stored

Question 23

Anus

Answer 23

Where faeces leave the body

Question 24

Bile

Answer 24

emulsifies fats creating a larger surface are for lipase enzymes to catalyse
neutralises PH to make more alkaline in the small intestine

Question 25

Lipase

Answer 25

breaks down lipids into fatty acids and glycerol

Question 26

Amalyse

Answer 26

Breaks starch into maltose

Question 27

Protease

Answer 27

Breaks down protein into amino acids

produced and found in stomach

Question 28

Maltase

Answer 28

Breaks down Maltose into glucose

Works in and produced small intestine

Question 29

How the Ileum is designed

Answer 29

• Villi which maximises surface area for quicker diffusion into blood and lymph
• One cell thick lining for short path of diffusion
• Capillaries in villi also for short diffusion of glucose into the blood

Question 30

Calorimetry

Answer 30

1. Put cold water into a boiling tube
2. measure mass of food sample
3. Put food sample in fire until burns
4. Heat water with flame from burning food sample
5. record temperature of water once flame from food sample gone out

Question 31

To keep results constant in caliormetry

Answer 31

• keep flame same distance away from boiling tube each time
• keep temperature of water at start the same as well

Question 32

Validity of Calorimetry

Answer 32

Could be effected by heat loss to surrounding environments

Question 33

where is amylase produced?

Answer 33

produced in Salivary glands,pancreas

Question 34

Where does amylase work

Answer 34

works in Small intestine and mouth

Question 35

Where is lipase produced?

Answer 35

pancreas and small intestine.

Question 36

Where does Lipase work?

Answer 36

the mouth and small intestine.

Question 37

calcium deficiency

Answer 37

rickets

Question 38

vit d deficency

Answer 38

bone pain

Question 39

vit a deficiency

Answer 39

night blindness