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hi

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what does are body do when we are asleep. Can we move in our sleep?

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How come you heal faster when you are asleep?

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Why do your muscles hurt when you do too much exercise?

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Why do we need muscles?

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How often do you need to exercise to get you muscles stronger?

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why does sleep help us focus

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why is water more important than food

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will the cardiovascular system react to different foods differently

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Why is sleep so important? Why doesn't your brain sleep? Why do you heal faster when you're asleep?How long can you sleep for? Does bad sleeping become a habit? Are nightmares just bad thought of are they based of real event? What gets in the way of us sleeping?

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what is muscle made out of?

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why is working your muscles too hard bad for you?

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why do your muscle  tear to get stronger?
what is the need for muscle

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why is water so healthy?

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why do your muscles get longer if you stretch before you exercise

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why does muscle growth burn?

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How do muscles get stronger?

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where does lactic acid come from?Is it good for you?why does your muscles stretch and then get stronger

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What is the world record for devil's chair?

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When muscles split, why do they get together so strong?

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How do you get a healthy mind

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Why is running good for your muscles?

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How do you know if you have a healthy mind?

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Why do wall sits/ Devil's chair hurt so much? Why do we get the hurting feeling

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what is the purpose of the lactic acid/dose it come from

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Why is sleep so crucial?
Why do your muscles have to split to grow?

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what is lactic acid made of?has lactic acid have any good affect on you?

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What do the muscles do when the fibers breaks?

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Do muscles leak more lactic acid when the fibres break?

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How long does it take for fibre to break and re-join?

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Why do we need to make our muscles stronger?

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Why do muscles split apart then get stronger?

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What happens when you pull a muscle? What happens when you rip a muscle?

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Why do we need sleep?

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Why do people need kidney transplants?

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Why when muscles break, they come together to get stronger?

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Why do muscles leak lactic acid when challenged?

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Why is not sleeping bad for you?

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How does skin react to pain?

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what about the white blood cells clean and kill germs in the blood

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Why is it called the cardiovascular system?

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What is an aorta?

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How do you keep your blood clean?

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what is the best way to breath and make your bones stronger

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What makes your blood clot?

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I want to find out what an artery is...

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I would like to find out more about heart transplants.

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What is an artery?

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How much do scientists know about the CV system?

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Why do we have muscles?

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Why are there two sides of the heart?