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GCSE PE > Cardio Respiratory System > Flashcards

Cardio Respiratory System Flashcards

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1
Q

What is oxygen debt?

A

After an intense period of exercise, the breathing rate will increase dramatically in order to pay back the oxygen used in this period.

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2
Q

What happens at the gas exchange in the alveoli?

A

The oxygen diffuses in to the blood stream and binds to the haemoglobin in the red blood cells, becoming oxyhemoglobin. This is then sent around the body

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GCSE PE (20 decks)

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