Exercise key words. Topic 7 SNAB

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oxygen debt - oxygen upake is greater than normal in the recovery period after exercise.

creatine phosphate - at the start of any type of exercise, the immediate regeneration of the ATP is achieved using creatine phosphate.

aerobic capacity - the ability to take in, transport and use oxygen.

VO2 max

cardiac output - volume of blood pumped by the heart in a minute.

stroke volume - volume of blood ejected from the left ventricle.

heart rate

venous return - blood returning to the heart.

myogenic - the heart can contract without external nervous stimulation.

sinoatrial node (pacemaker) (SAN) - small area in the heart of specialised muscle fibres located in the wall of the right atrium, beneath the opening to the superior vena cava. Generates an electrical impulse and causes…

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