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Haven't done it yet

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No ten people is not enough because you need more people to get a better result to make the evidence more reliable.

I think the  publisher is Dr John Buckley.

I think this data is true as long as you have a range of people and a range of data and ages.

No it does not say about any  critical scientific responses.

It is important because it might work or it might not.

Because they might think otherwise and they might think there is not enough evidence for it to be true.

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Yes.Good data is having a range.

Having to wait to stand up is good because you have to wait a bit to see if your pulse has changed because standing makes your pulse change.

If I collected data across the school it would be more accurate and you would collect more interesting results.

You find by sitting down and standing up.

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Yes I thought sitting down would help you with relaxing and everything would run smoothly and that standing up hurts and stresses you  and that it could be bad for your posture.

I do trust the evidence  but I think sitting down every once and a while does help. Also getting active is good.

To avoid sitting too much get active and set fit goals and also for every hour you sit stand for fifteen minutes to stretch muscles.

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blood pressure – the force that blood puts on the walls of arteries and veins when the heart pumps

cholesterol – a fatty substance that can block the arteries and cause heart disease

metabolism – the chemical processes that happen in living organisms, for example, releasing energy from food

strokes – sudden illnesses caused by a blood vessel in the brain being blocked

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No I have not had any of these happen to me.

Posture:
When you are sitting you have a hunched neck which then causes injury and restricts blood flow.

Brain:
When you sit your down your brain loses blood flow and oxygen and  you lose concentration.

Heart:
Your heart beats slower which then means you also lose oxygen
Muscles:
Sitting makes the muscles lose flexibility.
Energy:
You feel less energetic.

Blood sugar:
Your blood sugar rises and your body can't process the sugar which gives you more of a chance to get diabetes.

Metabolism:
Slows down so your body breaks down fat slower.

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I read the text

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What they Knew about fitness 20 years ago. Disadvantages and advantages of sitting and standing. Equipment you use to get fit. How to get fit. Which is better sitting or standing. How it impacts schools.

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I know that you have to exercise to get fit . You also shouldn't just sit and expect to be as fit as you could be if you exercised. You also need to eat healthy because keeping fit does not stop at sports and running. Keeping fit is good for you. It helps you to play sport. I know this because I kept fit by running and I was better at running on the hockey field.