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when you breathe, you need oxygen more quickly. this is because your muscles are working more and harder and to provide energy for them to do this, oxygen is needed to complete the equation for cellular respiration. and, because more oxygen is needed, the heart pumps faster to send more red blood cells to collect more oxygen from the lungs and to the body parts.
Nonetheless, we do not breathe more quickly because we need to inhale oxygen. we breathe quickly because we need to exhale the carbon dioxide which is a bi-product of the process of cellular respiration. we breath according to our carbon dioxide levels in our lungs.
hence, when we exercise, the breathing rate increases as we need to exhale more carbon dioxide which was a result of taking in more oxygen. the heart pumps faster to circulate the oxygen around the body faster and provide the muscles with enough energy.
hope this helped...
What else can I help you with?
What happens if you do exercise?
== ==
What happens to the body after exercise?
nothing happens...LOL!
What happens when you do not exercise?
you get fat
What happens to your body after exercise?
nothing.
What happens when you eat after exercise?
something.
What happens if you do too much exercise?
you can die
What happens if people don't exercise?
They get fat.
What happens when you exercise with the presence of oxygen?
you inhale it
What happens if you do to much exercise?
You could suffer from exhaustion.
If you don't exercise what happens to weight?
You gain weight
What happens when we exercise?
We burn calories and make muscle.
What happens when you exercise and eat too much?
You puke!!
