Exercise and Respiration

Option B4

B.4.1: Oxygen consumption and maximal oxygen consumption

Oxygen consumption

B.4.2: The roles of glycogen and myoglobin in muscle fibres.

Role of glycogen in muscle

B.4.3: Methods of ATP production used by muscle fibres during exercise.

Can you outline how ATP is produced by muscle fibers during exercise?

Place your mouse pointer on the figure for an outline of the methods.

Muscle energetics

B.4.4: The effectiveness of dietary supplements containing creatine phosphate in enhancing performance.

Creatine phosphate and athletic performance

B.4.5: The relationship between the intensity of exercise, VO2 and the proportions of carbohydrate and fat used in respiration.

Relationship exercise intensity, VO2, carbohydrate and fat

Use the figure above to outline the relationship.

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Relationship exercise intensity, VO2, carbohydrate and fat explained

B.4.6 & B.4.7: Lactate and how oxygen debt is repaid.

Lactate produced by anaerobic cell respiration is passed to the liver and creates an oxygen debt.

Lactate and how oxygen debt is repaid

Use the figure above to outline how oxygen debt is repaid.

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Explanation of how oxygen debt is repaid.
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