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He Yr 9 > January Exam > Flashcards

January Exam Flashcards

1
Q

What percentage of water takes up your body

A

70%

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2
Q

How much water is recommended for a woman to drink

A

1.6 litres
8 glasses 200ml

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3
Q

How much water is recommended to drink for a man

A

2litres
10 glasses 200ml

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4
Q

4 causes of dehydration

A

Excessive sweating in high temperatures
Low fluid intake
Diarrhoea + vomiting
Excessive sweating during exercise

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5
Q

What are 4 symptoms of dehydration

A

Headache
Tiredness
lack of concentration
Confusion

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6
Q

6 sources that can include water to our diets

A

Milk
Tea
Yogurt
Smoothies
Custard
soup

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7
Q

What are the 4 main functions of water in our bodies

A

Water transports nutrients around the body
It helps us get rid of waste
It helps protect and lubricate are joints, eyes and throat
It evaporates from the skin when it gets to hot there fire regulating body temperature

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8
Q

What are some foods high in water

A

Cucumber
Lettuce
Watermelon
Pineapple
tomato

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9
Q

Where is dietary fibre found

A

Only in plant foods

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10
Q

What does dietary fibre do

A

It absorbs water, swells and provides bulk to help move food through the body.

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11
Q

What condition can appear if u don’t eat enough dietary fibre

A

Constipation, bowel cancer, diverticular disease

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12
Q

How much dietary fibre should we aim to eat

A

30g each day

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13
Q

Write down four sources of fibre

A

Whole meal bread
Whole meal cereal
Brown rice
Potatoes with skin on
Fruit and veg with skin

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14
Q

What is protein needed for

A

Rapid growth during childhood and adolescence
Maintenance and repair of all body cells and tissue at all stages of life

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15
Q

Name some animal sources of protein

A

Beef
Pork
Fish
Poultry
Eggs
Milk
cheese

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16
Q

Name some plant based foods contain protein

A

Kidney beans
Lentils
Chick peas
Soya products
Pasta
Rice

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17
Q

To much protein can cause-

A

Kidney damage

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18
Q

What is fat needed for

A

To provide a concentrated source of energy
Insulate body to maintain body temperature at 37°

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19
Q

Name some saturated fat sources

A

Butter
Sausages
Cream
Bacon

20
Q

Name some unsaturated fat sources

A

Nuts
Sunflower oils

21
Q

A diet in high saturated fat can lead to

A

Coronary heart disease

22
Q

Too much fat if any kind can lead to

A

Obesity

23
Q

What is the function of carbohydrates

A

Supply the body with energy

24
Q

Name some startchy carbohydrates (release slowly)

A

Bread
Pasta
Rice
Potatoes
Couscous

25
Q

Name some sugary carbohydrates (release quickly)

A

Sweets
Fizzy drinks
Cakes
Buns

26
Q

What’s happens if too mush starch or sugar is eaten than required

A

It can be stored as excess and can lead to obesity it can also lead to tooth decay

27
Q

Describe the two iron functions in the body

A

It formed haemoglobin which give healthy red blood cells their colour.
Iron also prevents anaemia which makes u feel tired and makes u look pale

28
Q

What is haem iron

A

It’s similar to the iron in our blood and so it is easy to absorb. It is usually found in animal foods

29
Q

What are some haem iron examples

A

Beef
Poultry
Fish
Liver
Pork

30
Q

What is non haem iron

A

It cannot be absorbed by the body unless eaten with a food count vitamin c
It is usually found in plant foods

31
Q

Name some non haem iron sources

A

Eggs
Nuts
Dark green leafy vegetables
fortified breakfast cereal

32
Q

What are the 3 functions of vitamin c

A

Helps the body absorb non haem iron
It boosts the immune system and helps us avoid minor infections such as the cold or the flu
It is an antioxidant vitamin which help protect the body against diseases like coronary heart disease and cancer

33
Q

Name foods that are high in vitamin c

A

Berries
Kiwi
Currants
Citrusy fruits
Cabbage
Peppers

34
Q

Describe two functions of calcium

A

To from strong bones and teeth
To maintain strong bones and teeth

35
Q

Name 3 sources of calcium

A

Milk
Yogurt
Cheese

36
Q

How much is one portion of milk

A

200ml glass

37
Q

How much is one portion of yogurt

A

150g pot

38
Q

How much is one portion of cheese

A

30g

39
Q

Name 2 sources of calcium that are not dairy

A

White bread
Pulses

40
Q

Name the functions of vitamin d

A

Vitamin d help absorb and use calcium

41
Q

Name 3 food sources of vitamin d

A

Cheese
Eggs
Oily fish

42
Q

why are some foods processed

A

For convenience
to keep the food safe to eat for longer

43
Q

What are some commonly eaten processed foods

A

Salad leaves
Bread
Pasta sauce
frozen peas
Lasagne
Backed beans

44
Q

What is the advantage of processed foods

A

They add variety to the diet + we have more options when buying our meals

45
Q

What is the disadvantage of processed foods

A

Some people may not want to eat foods that contain additives

46
Q

What is rickets

A

The name of the bone disease which occurs in children who have a deficiency in calcium in their diets

He Yr 9 (5 decks)

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