AQA B1 Unit 1 Biology

What does a balanced diet contain the correct amount of?
Carbohydrates, proteins, fats, vitamins, minerals, fibre and water
1 of 16
What are carbohydrates, proteins and fats used for?
To release energy and to build new cells
2 of 16
What are vitamins and minerals needed for?
They are needed in small amounts for your body to work healthily and to avoid deficiency diseases
3 of 16
What is the metabolic rate?
Is the rate of chemical reactions in your cells
4 of 16
Why do men tend to have a higher metabolic rate than women?
They have a higher proportion of muscle to fat
5 of 16
What ways might the metabolic rate be affected by?
Genetic factors, The amount of exercise you do
6 of 16
Why are people who exercise regularly more fitter than those who don't?
Because they make bigger muscles, up to 40% of their body mass, and muscle tissue transfers much more energy than fat.
7 of 16
Why should you not take in more energy than you use?
Because the excess will be stored as fat, and overtime you could become obese.
8 of 16
What are the different ways you can lose mass?
Reduce the amount of energy you take in by eating less or increase the amount of energy you take in by exercising or both
9 of 16
How is exercising effective if you want to lose fat?
It increases the amount of energy used by your body and increases the proportion of muscle to fat
10 of 16
How can the word 'malnourished' describe people?
Malnourished can describe a person who does not have a balanced diet. They may have to little food or to much food or take the wrong combination of food.
11 of 16
How can inherited factors affect our health?
It can affect our metabolic rate, cholesterol level and proportion of muscle to fat
12 of 16
How does eating a balanced diet benefit your liver?
By having a balanced diet means that your liver can keep the balance of cholesterol right
13 of 16
How does regular exercise lower your blood cholesterol level?
Your good cholesterol level goes up and the harmful cholesterol level goes down
14 of 16
What are infectious diseases caused by?
Microorganisms called pathogens such as bacteria and viruses
15 of 16
What do bacteria and viruses do once they are inside your body?
They reproduce rapidly
16 of 16

Other cards in this set

Card 2

Front

What are carbohydrates, proteins and fats used for?

Back

To release energy and to build new cells

Card 3

Front

What are vitamins and minerals needed for?

Back

Preview of the front of card 3

Card 4

Front

What is the metabolic rate?

Back

Preview of the front of card 4

Card 5

Front

Why do men tend to have a higher metabolic rate than women?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Healthy living resources »