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2 > Respiration > Flashcards

Respiration Flashcards

1
Q

Fitter (3)

A

Lower resting rateHeart rate not increase as muchShorter recovery period

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2
Q

Advantage of increase in heart rate in pe (4)

A

More blood to muscleSupply more o2 and glucoseCells do more aeMore energy releasedMore co2 removed from musclesPrevent built up of lactic

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3
Q

Why breathing rate and oxygen used still high after exercise (4)

A

AnLactic acidRemove it by reacting with o2 to release co2 and h2o Removed by breathing

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4
Q

3 changes in body (3)

A

Arteries dilate so more blood can reach musclesBreathing rate increases to absorb more oxygen and remove co2 from bloodDepth of breathing increase

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5
Q

During pe why co2 increase (2)

A

More respirationReleasing co2Co2 diffuses into blood

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6
Q

Differences between aerobic and anaerobic (3)

A

More energy in aeRequires oxygen aeAn releases lactic acid ae co2 h2oAe mitochondria an cytoplasm

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7
Q

Why lactic acid produced (2)

A

Insufficient o2So respire anaerobically

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2 (6 decks)

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