AS lungs, blood the heart

AS PE - lungs, blood and the heart
What I is the act of breathing in?. What T is the amount of air breathed in or out per breath?. What I is maximal amount of air forcibly inspired in addition to tidal volume?. What E is the maximal amount of air forcibly expired in addition to tidal volume?. What V is TV+IRV+ERV?. What R is the amount of air left in the lungs after a maximal expiration?. What T is TV+IRV+ERV+RV?. What P is the pressure a gas exerts in a mixture of gases?. What C can detect changes in blood acidity levels?. What A are small arteries?. What V is reducing flow of blood into capillaries by action of sympathetic nerves?. What P is the circulation of blood from the heart to the lungs and back to the heart?. What V is the mechanisms involved to assist the return of blood to the heart?. What S is the process of muscle action squeezing veins and forcing blood towards the heart?. What B is a change in shape of the oxyhaemoglobin dissociation curve?. What S initiates the impulse for contraction of the atria?. What P are the fibres that carry the electrical impulse which causes the ventricles to contract?. What S is the idea that venous return increases as the strength of heart contraction increases?. What C is stroke volume x heart rate?. What C is an increase in heart rate that occurs during prolonged exercise?.

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