why does an athlete breathe faster and deeper then usual after finishing the race?
Answers
Answer:
When the athlete runs in the race, his body needs more oxygen. His rate of breathing increases so that more oxygen can be supplied to the body. This is the reason, an athlete needs to breathe faster and deeper than usual; after finishing the race.
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Question
Why does an athlete breathe faster and deeper than usual after finishing the race ?
Answer
During the run,the demand of energy is high but the supply of oxygen to produce energy is limited.Therefore,anaerobic respiration takes places in the muscle cells to fulfill the demand of energy.After finishing the race,an athlete breathe faster and deeper than usual so that more oxygen is supplied to the cells.
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Question
Why do we often sneeze when we inhale a lot of dust-laden air ?
Answer
We often sneeze when we inhale a lot of dust-laden air to expel out these foreign particles.These particles get past the hair in the nasal cavity and irritate the lining of the cavity which results in sneezing.