Respiration (OCR GCSE Biology A (Gateway Science Suite)): Quizzes
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Practise the questions
9 questions from this quiz
Why does the body need more oxygen during exercise?
Why does the body need more oxygen during exercise?
Respiration must occur faster
What happens to heart rate during exercise?
What happens to heart rate during exercise?
It increases
What needs to be removed more during exercise?
What needs to be removed more during exercise?
CO2
When does anaerobic respiration occur during exercise?
When does anaerobic respiration occur during exercise?
When oxygen supply is insufficient
What is a byproduct of anaerobic respiration?
What is a byproduct of anaerobic respiration?
Lactic acid
What is oxygen debt?
What is oxygen debt?
Extra oxygen needed to remove lactic acid
What effect does lactic acid build-up have on muscles?
What effect does lactic acid build-up have on muscles?
Muscles tire & don't contract properly
Where is lactic acid transported by the blood?
Where is lactic acid transported by the blood?
To the liver
What is lactic acid converted to in the liver?
What is lactic acid converted to in the liver?
Glucose