Diet and Metabolism Flashcards Preview

z - AQA GCSE Core Biology - Old spec > Diet and Metabolism > Flashcards

Flashcards in Diet and Metabolism Deck (21)
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1

What is a balanced diet?

A diet that contains the correct amount and types of nutrients.

2

Why do we need a balanced diet?

For healthy functioning of cells and for growth

3

Why do we need carbohydrates?

for energy

4

Why do we need protein?

For growth and repair of cells

5

Why do we need fat?

To stay warm (insulated)
An energy store

6

Why do we need vitamins and minerals?

To keep skin and bones healthy

7

What is your metabolism?

the chemical reactions in your body that keep you alive

8

The speed of your metabolism is called

metabolic rate

9

What is metabolic rate?

the speed of your metabolism

10

Name 3 things that affect your metabolic rate

The amount of muscle compared to fat
How active you are
Inherited factors (genetics)
Age

11

If you do not have a balanced diet, you can become

malnourished

12

Give 2 ways that you can have an unbalanced diet

eating too much
eating too little

13

Eating too much can cause

obesity
type 2 diabetes

14

Not eating enough vitamins or minerals can cause

deficiency diseases

15

If you do not get enough vitamin C, which deficiency disease can you get?

scurvy

16

How can you increase your metabolic rate?

Exercise more - build muscle

17

What can high cholesterol cause?

Heart disease

18

If you are malnourished you may develop a?

deficiency disease

19

Not eating enough iron can cause?

anaemia

20

Describe the main symptoms of anaemia

tiredness, weakness

21

Name the nutrients found in a balanced diet

Protein
Fat
Carbohydrate
Vitamins and Minerals