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After exercise in the fierce why my breathing and heartbeat accelerated?

Moon ★ cradle2010-03-09 02:11:42 +0000 #1
After exercise in the fierce why my breathing and heart beat faster? Please select the fourth grade primary school science books on the book's answers, the other answer is invalid. Note: Today's best Jiu Ji answer, reward it say!
Double pot, a bottle of Blue2010-03-09 02:27:54 +0000 #2
Hehe I can only find answers from his mind is certainly not of the fourth-grade 啦

people in sports, the body's increased oxygen demand, energy consumption also gradually increased, the body also produced a lot of carbon dioxide, lactic acid and other metabolites. This time, we need to accelerate to add more oxygen to breathe, the heart must also be expedited doing work, so that blood flow acceleration, the energy transfer oxygen to the movement of organs. Metabolic waste away.

Exercise ended, those who need supplementary oxygen, the energy still need to speed up breathing and rapid heart rate during exercise to compensate for the loss! To accelerate the decomposition of metabolites! Of course, this time breathing and heart rate should be used to make people return to normal state as soon as possible. That is, excess post-exercise oxygen consumption!

My answer Hei hei

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