BIOLOGY - food and diet
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what is essential for good health?
a balanced diet
what are the seven building blocks for a healthy diet?
carbohydrates, proteins, fats, vitamin, minerals and fibre and water
what can you add to your diet to help maintain a healthy diet?
water
what do we take energy from?
food
in what form do we take energy from in food?
kilojoules
what does the energy you need depend on?
your body type and the amount of physical activity you do
what does the way you use energy depend on?
your weight, shape and sporting perfomance
what is vital that athletes have and why?
nutrients to help them perform at their best
how do carbohydrates help?
proves quick energy
how much of our diet should comprise carbs?
60%
what are some examples of carbohydrates?
pasta, cereals and potatoes
what can too much saturated fats from animals lead to?
heart disease
how much of our diet should comprise fats?
25%
what do fats provide?
slow energy
what are some examples of fats?
oils, dairy products, nuts and fish
what does proteins help with?
repairs muscles.
how much protein do we need in our diet?
15%
what do vitamins help with?
making the body work and concentrating
what are vitamins used for?
vision helps the bones and teeth energy production and stress reduction to keep skin healthy
what are some examples of vitamins?
fruits and vegetables
what do minerals help with?
releasing energy from food and decision making
what are minerals used for?
calcium- to strengthen bones iodine- for energy production iron- prevents fatigue
what are some examples of minerals?
fruit, vegetables and fish
what does water help with?
maintains fluid levels