Adrenaline - Natural hormone released to speed heart rate up., Backflow - The flowing backwards of blood. Valves in the veins prevent this from happening., Cardiac output - The amount of blood ejected from the heart in one minute or stroke volume x heart rate., Haemoglobin - The substance in the red blood cells which transports oxygen (as oxyhaemoglobin) and carbon dioxide., Heart rate - The number of times the heart beats (usually measured per minute)., Maximal heart rate - Calculated by: 220-age, Stroke volume - The volume of blood pumped out of the heart by each ventricle during one contraction.,

Cardiovascular System

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Vizualinis stilius

Parinktys

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