Cat 1
Three nutrients that provide energy.
Carbohydrates, Protein, Fats
2 animal sources & 1 plant source of iron.
Animal: Egg yolk, Liver, Red meat
Plant: Wholegrains, Dark green vegetables, Nuts
4 sources of Vitamin C
citrus fruits / berries / apples / kiwi / broccoli
Deficiency disease caused by severe lack of Vitamin C.
scurvy
2 components of red blood cells.
haemoglobin & myoglobin
2 functions of Vitamin C
Antioxidant
Iron absorption (from plant sources)
Helps in protein formation
3 functions of water
Regulates body temperature
Lubricates joints
Soften the stools
Deficiency disease caused by severe lack of iron.
Anaemia
2 symptoms of anemia
Pale skin
Lethargy
Dizziness
Poor memory
Poor immune system
2 symptoms of scurvy
Bleeding gums
Dry, scaly skin
3 uses of energy in the body.
Basal metabolism
Physical activities
For digestion of nutrients
What is 'energy balance'?
It is achieved when the energy intake = energy output.
What is 'cellular respiration'?
Breaking down of carbohydrates to release energy (in cells).
Name two factors that destroy Vitamin C in fresh foods.
Heat - e.g. boiling, frying
Oxidation - exposing fresh foods for too long
2 functions of iron.
Forms red blood cells (haemoglobin & myoglobin)
Cellular respiration.