Key term
AQA GCSE Physical Education 8582
Applied Anatomy and Physiology
Topic overviewBones and the functions of the skeletonJoints, joint actions, ligaments and tendonsMuscles and antagonistic pairsThe pathway of air and gaseous exchangeBlood vesselsThe heart, the cardiac cycle and cardiac outputMechanics of breathing and spirometer tracesAerobic and anaerobic exerciseRecovery from exercise and EPOCShort- and long-term effects of exercise
Movement Analysis
Physical Training
Sports Psychology
Socio-Cultural Influences
Applied Anatomy and Physiology
Aerobic and anaerobic exercise
- 3 things to know
- Paper 1
Overview
Aerobic and anaerobic exercise and their word equations, lactic acid, why each can be sustained for longer or shorter, and classifying sporting activities by intensity and duration.
What you need to know
Answer each one before you reveal it.
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Key term
What is anaerobic exercise?
Key term
State the word equation that summarises aerobic exercise.
Questions from this subtopic
Each one with the model answer underneath.
- 1
What is aerobic exercise?
Model answer
Aerobic exercise is exercise carried out with enough oxygen to meet the muscles' demand. The oxygen is used to release energy from glucose.
- 2
What is anaerobic exercise?
Model answer
Anaerobic exercise is exercise carried out without enough oxygen. The muscles need energy faster than oxygen can be supplied.
- 3
State the word equation that summarises aerobic exercise.
Model answer
The word equation is glucose + oxygen → energy + carbon dioxide + water.
- 4
State the word equation that summarises anaerobic exercise.
Model answer
The word equation is glucose → energy + lactic acid.
- 5
What is the fuel for both aerobic and anaerobic exercise?
Model answer
Glucose is the fuel for both aerobic and anaerobic exercise. Aerobic exercise also needs oxygen to release the energy from glucose.
- 6
Why can aerobic exercise be kept up for a long time?
Model answer
Aerobic exercise produces no lactic acid to cause fatigue. The carbon dioxide and water it makes are easily removed from the body.
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