Biology 1A - Human Biology: Food

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What are the seven main food groups?
Carbohydrates, Protein, Water, Minerals, Vitamins, Fat, Fibre
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Why are Carbohydrates essential to your diet?
They are used to release energy.
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Why are Fats essential to your diet?
They help to keep warm and release energy.
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Why is Protein essential to your diet?
It is used to to build and repair cells.
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Why are Vitamins and Mineral Ions essential to your diet?
They are used to keep your skin, bones, blood and everything else generally healthy.
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Why do you need energy?
To fuel the chemical reactions in the body that keep you alive.
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What are the chemical reactions in your body called?
Metabolism
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What is the name of the speed these reactions happen at?
Your metabolic rate.
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Name three things your metabolic rate can vary depending on.
1. How much muscle you have. 2. How active you are. 3. Inherited Factors
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People who have a diet that is badly out of balance are said to be:
Malnourished
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An unbalanced can be one of two things:
1. Eating too much. 2. Eating too little.
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Eating too much can lead to:
Being overweight or obese.
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Eating too much can be caused by:
Eating too much Carbohydrates or Fat.
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Obesity can lead to:
Type 2 Diabetes, a condition where someone can't control the level of sugar in their blood.
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Eating too little can lead to:
Being underweight.
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Not eating enough of "?" can cause "?"
1. Vitamins or Minerals 2. Deficiency Diseases
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Exercising does what to the amount of energy?
Exercise increases the amount of energy used by the body and decreases the amount stored as fat.
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Exercise also builds muscle, what does this mean?
Your metabolic rate will increase.
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People who exercise are less likely to suffer from health problems, such as...?
Obesity.
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Inherited Factors can affect a person's:
1. Metabolic Rate 2. Cholesterol Level
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What is Cholesterol?
It is a fatty substance that's needed for good health - it's found in all of your cells.
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What is the problem with having a high blood cholesterol level?
It increases the risk of heart disease.
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Other cards in this set

Card 2

Front

Why are Carbohydrates essential to your diet?

Back

They are used to release energy.

Card 3

Front

Why are Fats essential to your diet?

Back

Preview of the front of card 3

Card 4

Front

Why is Protein essential to your diet?

Back

Preview of the front of card 4

Card 5

Front

Why are Vitamins and Mineral Ions essential to your diet?

Back

Preview of the front of card 5
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