metabolic rate + a balanced diet

Question 1

What is metabolic rate?

Answer 1

The rate of the chemical reactions/processes within the body e.g. aerobic respiration and digestion.

Question 2

What are the factors that affect metabolic rate?

Answer 2

Males usually has higher muscle mass/fat ratio than females this affects metabolism
Exercise/ activity also affects metabolism

Question 3

Exercise increases:

Answer 3

heart rate
breathing
metabolic rate

Question 4

What is a balanced diet?

Answer 4

When the body gets the right amounts of nutrients in order to stay healthy

Question 5

What are the 7 types of nutrients?

Answer 5

vitamins
minerals
protein
carbohydrates
fat
fibre
water

Question 6

How does vitamin and minerals help the body keep healthy?

Answer 6

Minerals and vitamins keep bones (need calcium), teeth (need phosphorus) and skin

Question 7

How does protein help the body keep healthy?

Answer 7

Helps the muscles grow and repair

Question 8

How does fat keep the body healthy?

Answer 8

Fat is stored energy

Question 9

How does fibre keep the body healthy?

Answer 9

Fibre helps the poo stay soft meaning you can poo easier

Question 10

How does water keep the body healthy?

Answer 10

If we did not have no water within our body no chemical reaction could take place

Question 11

Define malnourished?

Answer 11

The condition when the body does not get a balanced diet

Question 12

What is deficiency disease?

Answer 12

A disease caused by a lack of vitamins or minerals

Question 13

What happens to your body if you take in too much vitamins or too few vitamins?

Answer 13

You become malnourished
Too much - you gain too much energy and become overweight
Too few - you develop a deficiency disease

Question 14

Give 3 factors that affects how much energy someone needs?

Answer 14

Size of the person
Sex of the person
Amount of exercise they do

Question 15

How could someone live longer by changing their lifestyle?

Answer 15

Increase exercise

Reduce food intake

Question 16

Name diseases linked to obesity?Mor

Answer 16

Arthritis
Type 2 diabetes
High blood pressure
Heart/blood vessel disease

Question 17

Explain how daily exercise helps a person to lose mass?

Answer 17

(exercise) increases metabolic rate / respiration
(exercise) uses energy
so more energy is used by the body
(this) energy comes from food/fat
Less food converted to fat

Question 18

What are the affects of not enough exercise

Answer 18

Less energy (transferred)
Weight gain
slower metabolic rate
Weaker muscles
More body fat