PE 0.0 / 5 ? Physical EducationAcquiring movement skillsAnatomy & physiologyBiomechanicsComparative studiesExercise physiologyHistorical studiesPractical sports analysisSocio-cultural studiesSports psychologyASAQA Created by: druce1221Created on: 20-04-15 09:18 Define tidal volume and explain what changes occur during exercise volume inspired and expired per breath, increases. 1 of 8 define partial pressure the pressure that is exerted by an individual gas when it exists with a mixture of gases. 2 of 8 name the three neural receptors that report to the cardiac control centre barorecptors, chemoreceptors, proprioceptors. 3 of 8 define Frank-Starling mechanism (starlings law) the mechanism by which an increase in venous return leads to a stronger ventricular contraction and a consequential increase in stroke volume. 4 of 8 define vasoconstrict and vasodilate vasoconstrict - reduction in the diameter of artey and arterole walls vasodilate is an increase in the diameter of artery and arteriole walls 5 of 8 what is the function of pocket valves aids return of blood to heart, ensuring there is no backflow 6 of 8 what aids the venous return mechanism skeletal pump, pocket valves, smooth muscles within veins, respiratory pump, gravity 7 of 8 define cardiac hyperthrophy enlargement of the heart muscle in respone to training 8 of 8
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