GCSE - Gcse Science - Biology - Exercise And Health (Aqa) Solution

Q.1.

During exercise, breathing rate and heart rate both increase. Why?

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To deliver more oxygen to your muscles
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Because you are using up the nutrients from your last meal
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To deliver more oxygen to your stomach so that you can release more energy from your food
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Because your blood vessels are bigger

Q.2.

Which long term health problem is related to a lack of exercise?

Q.3.

Which of the following statements about a balanced diet is true?

Q.4.

After exercise, why do your heart rate and breathing rate stay higher than normal?

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To get rid of lactic acid
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Because it takes a while for your chest and heart muscles to slow down
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Because it takes time for messages to reach your brain to say that you have stopped exercising
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Because your body is staying ready just in case you start exercising again

Q.5.

Which of the following statements is true about your metabolic rate after exercise?

Q.6.

Why do your muscles need to be supplied with more blood during exercise?

Q.7.

What is metabolic rate?

Q.8.

What is the chemical that causes cramp?

Q.9.

How does exercise help your circulation?

Q.10.

Why is over exercising bad for you?