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11.

By beating 72 times per minute, our heart pumps about how much of blood into the body:

A.	2 litres	B.	Litres
C.	5 litres	D.	7 litres

12.

The cardiac output means:

A.	Number of beats by heart per minute	B.	Amount of blood pumped by heart per minute
C.	Number of cardiac cycles per minute	D.	None of these

13.

Of the cardiac output which of these percentages of blood is received by the muscles of heart itself:

A.	5%	B.	10%
C.	15%	D.	20%

14.

How much percentage of cardiac output is received by the digestive organs in the body:

A.	15%	B.	25%
C.	35%	D.	45%

15.

Brain receives which of these percentages of cardiac output:

A.	5%	B.	10%
C.	15%	D.	25%

16.

Kidneys receive:

A.	10% of cardiac output	B.	20% of cardiac output
C.	30% of cardiac output	D.	30% of cardiac output

17.

Other organs of the body receive:

A.	20% of the cardiac output	B.	30% of the cardiac output
C.	40% of the cardiac output	D.	35% of the cardiac output

18.

Which of these is correct percentage respectively of blood received by the heart muscles, brain, digestive organs, kidneys and other organs:

A.	10%, 15% 25%, 20% and 30%	B.	15%, 15% 25%, 20% and 25%
C.	10%, 20% 25%, 30% and 15%	D.	10%, 15% 20%, 30% and 15%

19.

How much filling of the ventricle is done artrial systole:

A.	10%	B.	20%
C.	30%	D.	40%

20.

During artrial systole only 30% filling of ventricle is done the remaining 70% filling of the ventricles is done during:

A.	Their own diastole which occurs earlier	B.	The next artrial systole
C.	Both of these stages	D.	None of these