B1 Diet and exercises

Question 1

What makes up a healthy idet?

Answer 1

Right balance of different foods you need

Right amount of energy

Question 2

What components are needed by the body?

Answer 2

Carbohydrates 
Fats
Proteins 
Mineral ions 
Vitamins

Question 3

Functions of carbs, fats, proteins

Answer 3

Used by body
release energy
build cells

Question 4

How much vitamins and mineral ions are needed and why?

Answer 4

Needed in small amounts

Healthy functioning of body

Question 5

What is malnourishment and what causes it?

Answer 5

Being underweight or overweight

Unbalanced diet

Question 6

Rather than malnourishment, what else does an unbalanced diet lead to?

Answer 6

Deficiency diseases

Conditions eg Type 2 diabetes

Question 7

When does a person lose mass?

Answer 7

Energy content of food taken in
less than
Amount of energy expended by body

Question 8

Effect of exercising

Answer 8

Increases amount of energy expended by body

Question 9

What is “the metabolic rate”?

Answer 9

Rate
all chemical reactions
in cells of body
carried out

Question 10

What else affect metabolic rates?

Answer 10

Amount of exercise you do
Proportions of muscle to fat
Inherited factors

Question 11

Example of an inheriting factor that might affect our health

Answer 11

Cholesterol level