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Cardiac Output

How much bloo...

Question

How much blood is pumped as a stroke volume?

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Solution

Stroke volume:
Stroke volume is defined as the quantity of blood pumped per beat.
The amount of blood that is pumped out of each ventricle during one cardiac cycle is called the stroke volume.
Amount of blood pumped out:
The amount of blood pumped out as a stroke volume is 70 mL.

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Q. (i) During a cardiac cycle each ventricle pumps out approximately

70

mL of blood which is called the stroke volume.
(ii) The cardiac output of an athlete will be much higher than that of an ordinary man.
(iii) The body has no the ability to alter the stroke volume and the cardiac output.
(iv) The cardiac output can be defined as the volume of blood pumped out by each ventricle per minute.
(v) Volume of blood pumped by left ventricle is higher than blood pumped by right ventricle.
How many statements are correct?

Q. Volume of blood each ventricle pumps out/ stroke volume during a cardiac cycle is about

Q. If stroke volume of human heart is considered 80ml and to pump 5L of blood,how many beats are required?

Fill in the blanks.

(xxii) During each cardiac cycle, each ventricle pumps out about _____ mL of blood known as stroke volume.

how much blood is pumped by heart in a min

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