The deoxygenated blood is transported from right side of the heart to the……..
a) heart
b) lungs
c) kidney
d) liver
From where the left side of the heart receives oxygenated blood?
a) from left side of heart
b) from whole body
c) from the lungs
d) from liver only
The oxygenated blood is transported from left side of the heart to the……..
a) heart
b) lungs
c) kidney
d) whole body through arteries
Heart has……….which keep blood flowing in one direction.
a) plugs
b) valves
c) stopper
d) enzymes
Explanation:The four heart valves, which keep blood flowing in the right direction, are the mitral, tricuspid, pulmonary and aortic valves. Each valve has flaps (leaflets) that open and close once per heartbeat.
How many times your heart beat normally in one minute?
a) 50
b) 60
c) 72
d) 80
How many times your heart beat normally in one year?
a) 50 million
b) 60 million
c) 42 million
d) 80 billion
