Physical Education A-Level
Exercise and oxygen unloading
What Exercise and oxygen unloading means in Physical Education A-Level, as defined for AQA.
Definition of Exercise and oxygen unloading
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Reference: AQA
During exercise, increased carbon dioxide and acidity in active muscle further reduce haemoglobin's affinity for oxygen, so more oxygen is unloaded to the working tissues.
Topics that use Exercise and oxygen unloading
- Cardiovascular system (AQA A-Level)
Related terms
- Affinity for oxygen
- Antagonistic action of the two divisions
- Anticipatory rise
- Autonomic control of heart rate
- Baroreceptors
- Bohr shift during exercise
- Cardiac output
- Cardiac output and oxygen uptake
Using Exercise and oxygen unloading in the exam
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