- Breathing is the movement of air in and out of your lungs. The muscles in your chest control the rate you breathe
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- When you breathe in, your muscles contract pulling your ribs up and out. This is called inhalation
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- When you breathe out, your ribs move down and in. This is called exhalation
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- Feel how hard you are breathing by holding your diaphragm
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- As you breathe out, your diaphragm relaxes upwards
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- Did you know oxygen is the food for your blood and food is fuel for your muscles?
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- If we blew up your lungs as much as possible, do you know how big they would be?
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- Our two lungs hold about 2.5 litres of air. But when our body is active it needs much more oxygen. If you breathe deeply the lungs hold over 5 litres of air. How many times does an average person breathe in and out each minute? About 14-16 times. After lots of exercise, like jumping rope, this can rise to more than 60 times a minute.
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