Response to Exercise (OCR GCSE Biology A, Combined (Gateway Science Suite)): Flashcards
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Why is more energy needed during exercise?
Why is more energy needed during exercise?
For muscles to contract
What must be supplied faster to cells during exercise?
What must be supplied faster to cells during exercise?
Oxygen
What gas must be removed faster during exercise?
What gas must be removed faster during exercise?
CO2
Body change during exercise: heart
Body change during exercise: heart
Heart rate increases
Body change during exercise: breathing rate
Body change during exercise: breathing rate
Breathing rate increases
Body change during exercise: breath volume
Body change during exercise: breath volume
Breath volume increases
Type of respiration when not enough oxygen is supplied
Type of respiration when not enough oxygen is supplied
Anaerobic respiration
Byproduct of anaerobic respiration
Byproduct of anaerobic respiration
Lactic acid
What is oxygen debt?
What is oxygen debt?
Extra oxygen needed after exercise to remove lactic acid from cells
Where is lactic acid transported to?
Where is lactic acid transported to?
Liver
What is lactic acid converted to in the liver?
What is lactic acid converted to in the liver?
Glucose
What is the effect of lactic acid buildup on muscles?
What is the effect of lactic acid buildup on muscles?
Muscles tire and don't contract properly