Respiration, exercise and metabolism

3 quick checks≈2% of the testFoundational

Reading is free. Sign in to tick off lessons, keep your place and track your mastery.

By the end you’ll be able to

Compare aerobic and anaerobic respiration in muscles, plants and yeast (fermentation), with word and balanced symbol equations and the relative energy released
Explain how heart rate, breathing rate and breath volume change during exercise, and why muscles fatigue
(HT) Explain oxygen debt and how lactic acid is transported to the liver and converted back to glucose

0% read

(Edexcel, OCR, WJEC, Cambridge) Investigate the rate of respiration using a respirometer and interpret the results

This lesson hasn’t been written yet

Combined Science lessons are written from the official syllabus the first time a learner opens them, then saved for everyone. Sign in and this one is written for you in a minute or two. It’s free.

Sign in Create a free account