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Title: GCSE AQA Biology Keeping Healthy (Chapter 1, Unit 1)
Description: -Simple notes of AQA GCSE Biology Chapter One, Unit One (Keeping Healthy) -3 Pages -Notes from several resources -Includes bullet points, pictures and diagrams -Aimed for GCSE
Description: -Simple notes of AQA GCSE Biology Chapter One, Unit One (Keeping Healthy) -3 Pages -Notes from several resources -Includes bullet points, pictures and diagrams -Aimed for GCSE
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Megsky135
Diet and Exercise
What makes a healthy diet?
We need a balanced diet and the correct amounts of:
• Carbohydrates
• Proteins
• Fats
• Vitamins
• Minerals
• Fibre
• Water
Uses of nourishment foods
Type of Nourishment
Carbohydrates
Fat
Protein
Vitamins
Minerals
Fibre
Water
What is does
Release energy needed to live
and build new cells
Release energy needed to live
and build new cells
Release energy needed to live
and build new cells
Small amounts to make your
body work healthy
Small amounts to make your
body work healthy
Keep your insides moving and
keeping them clean
Hydration and keeping body
clean
...
Why do we need a balanced diet?
We need a balanced diet because we will suffer from deficiency
diseases (not enough vitamins and minerals)
...
Megsky135
In the UK
Most of us take in all the vitamins and minerals we need from out food
...
How much energy is needed?
The amount of energy needed to live depends on different things
...
Colder
countries- more food)
Food supplies
Food supplies energy to your muscles as they work
...
Little
Exercise
Less
food
Lots of
Exercise
More
food
Exercising
People who exercise regularly are usually much fitter than those who
don’t
...
Megsky135
What do muscles do?
Muscle tissues transfer much more energy than fat
...
Metabolic Rate
Metabolic Rate- Rate of chemical reactions in your cells, how easily you
lose and gain mass
...
Therefore
you do not put on weight as the food eaten has been used
Things that affect metabolic rate:
• Men have higher metabolic rate than women (men have more
muscles to fat than women)
• Proportion of muscle to fat
• Amount of activity done (exercise increases metabolic rate)
• Genetic factors
Key Points
•
•
•
•
Most people eat a varied
diet, which includes
everything needed to
keep the body healthy
Different people need
different amounts of
energy
The metabolic rate varies
from person to person
The more exercise you
take, the more food you
need
Title: GCSE AQA Biology Keeping Healthy (Chapter 1, Unit 1)
Description: -Simple notes of AQA GCSE Biology Chapter One, Unit One (Keeping Healthy) -3 Pages -Notes from several resources -Includes bullet points, pictures and diagrams -Aimed for GCSE
Description: -Simple notes of AQA GCSE Biology Chapter One, Unit One (Keeping Healthy) -3 Pages -Notes from several resources -Includes bullet points, pictures and diagrams -Aimed for GCSE