Biology B1 Flashcards

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What is your Metabolic rate?
The rate at which chemical reactions occur in your body.
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What is a healthy diet?
The right balance of food and energy to match the body's needs.
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Why do we need to eat food?
For growth, repair, energy and to keep us healthy.
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Which factors can affect your metabolic rate?
The amount of exercise and a high proportion of muscle to fat
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What are carbohydrates, fats and proteins used for in the body?
For energy
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What are mineral ions and vitamins used for in the body?
Needed in small amounts to keep the body healthy
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What can an unbalanced diet lead to?
Deficiency diseases or Type 2 diabetes
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What is a pathogen?
A microorganism that causes an infection - like bacteria and viruses.
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Do painkillers kill pathogens?
No - They relieve the symptoms from a disease
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What is an antibiotic?
A drug that kills bacteria.
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What is contained in a vaccine?
Dead or inactive pathogens.
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Which organ system deals with infections?
The immune system.
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What is a stimulus?
A change in the environment.
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What is the job of the sensory neurone?
Takes impulses from receptors into the central nervous system
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Other cards in this set

Card 2

Front

What is a healthy diet?

Back

The right balance of food and energy to match the body's needs.

Card 3

Front

Why do we need to eat food?

Back

Preview of the front of card 3

Card 4

Front

Which factors can affect your metabolic rate?

Back

Preview of the front of card 4

Card 5

Front

What are carbohydrates, fats and proteins used for in the body?

Back

Preview of the front of card 5
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