Question

Respiration in muscles during heavy exercise.​

Answer 1

Answer:

Explanation:During heavy exercise, expiratory flow limitation and prolonged expiratory time result in higher average positive intrathoracic pressures that reduce ventricular transmural pressure and act like a Valsalva manoeuver, decreasing the rate of ventricular filling during diastole and reducing stroke volume, venous return .

Answer 2

Explanation:

Anaerobic respiration occurs during heavy exercise and in smaller organisms like yeast..

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anaerobic respiration:

The respiration that occurs without the expenditure of energy

The examples are, yeast, human muscle cells, and other lower organisms

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