In the circulatory system, why does an increase in cardiac output cause an increase in volume flow rate (of blood)? Because:

waelhammad

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2022-10-18

an increased cardiac output causes vasoconstriction.
as cardiac output increases so blood viscosity increases.
as cardiac output increases, the resistance of the systemic circulation to blood flow decreases.
cardiac output and volume flow rate are the same thing.

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waelhammad

2022-10-18

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D: The number of millilitres of blood per minute is volume flow rate and cardiac output. They are the same thing.

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