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Science Y8 > Food & Digestion > Flashcards

Food & Digestion Flashcards

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1
Q

What does balanced diet means??

A

All the 7 groups in the correct amounts

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2
Q

All the seven component of a balanced diet are:

A

Carbohydrates, Fats, Protein, Water, Fibre, vitamins, minerals

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3
Q

2 examples of Carbohydrates:

A

Bread & Pasta

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4
Q

2 examples of Fats

A

Butter, avocado

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5
Q

2 examples of protein:

A

Meat & egg

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6
Q

2 examples of Fibre:

A

Cereals, fruit & veg

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7
Q

2 examples of water

A

drinks & fruit

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8
Q

2 examples of Vitamins & minerals:

A

Fruit, vegetables, diary

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9
Q

Carbohydrates give us…

A

Energy

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10
Q

Fats give us…

A

Energy & make cell membranes

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11
Q

Protein are for…

A

Growth & repair

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12
Q

Fibre are to…

A

Help keep food moving in the digestive system

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13
Q

Water is for…

A

Chemical reactions and transport

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14
Q

Vitamins are in…

A

Small amounts for cells to work properly

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15
Q

Minerals are in…

A

Small amounts to make body chemicals.

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16
Q

Why do some people need more food than others?

A

People need different amount of food because depending on their job they need more energy or less. E.g. a builder needs more food than a teacher because he need to carry a lot of weight and move a lot.

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17
Q

What does malnourished means?

A

To be malnourished means that you are missing one of the seven nutrients.

18
Q

Diseases caused by malnutrition are…

A

Scurvy, rickets & obesity

19
Q

When we test fat the…

A

Filter paper turns translucent (leaves a greasy mark)

20
Q

When we test protein…

A

biurets solution turns from blue to cloudy purple (precipitate)

21
Q

When we test glucose the…

A

benedicts solution turn from blue to red

22
Q

When testing starch the…

A

Iodine Changes from brawn to black

23
Q

Organs in the digestive system…

A

Are the mouth/oesophagus/stomach/liver/pancreas/small intestine/ large intestine/ rectum

24
Q

The function of the mouth is…

A

Teeth chew and grind the food, chemicals in the saliva help to break food down into smaller molecules.

25
Q

The function of the oesophagus is…

A

To transport food from the mouth to the stomach

26
Q

The function of the stomach is…

A

Churns the food to break it up into even smaller pieces. Acid is added to kill bacteria and break down food molecules even more.

27
Q

The function of the small intestine is for…

A

Important nutrients from the food are absorbed into the blood as food travels through.

28
Q

The function of the large intestine is to…

A

Excess water is reabsorbed back into the body as digested food passes through.

29
Q

The rectum function is to…

A

Stores feces (waste from food) until it can be excreted.

30
Q

The definition of digestion is…

A

Breaking down large food molecules into smaller molecules so they can be absorbed by the body.

31
Q

Food is digested by…

A

Chemicals called enzymes

32
Q

Give some names of three digestive enzymes.

A 
Carbohydrase= digest carbohydrates 
Lipids= digest fats
Protease= digest protein
amylase= digests starch
33
Q

Arteries…

A

Carry away blood from the heart to the rest of the body

34
Q

Veins…

A

Carry blood Back to the rest of the heart from the rest of the body

35
Q

Capillaries…

A

Deliver blood to all cells of the body allowing oxygen and nutrients to diffuse from the blood into the cells, and waste products to diffuse out of the cell into the blood.

36
Q

Our energy should come from…

A

50% Carbohydrates
30% Fats
20% Protein

37
Q

Calcium is good…

A

for our teeth and bones

38
Q

iron is good…

A

for health + grow

39
Q

iron is found in…

A

red meat

40
Q

calcium is found in…

A

diary products

41
Q

the Job of the liver is…

A

preguntarle a Carlos

Science Y8 (9 decks)

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