40. Circulatory System
Heart Physiology
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ANSWERS OPTIONS
A
It is a congenital heart defect in which there is a hole in the heart.
B
The hole is present between the wall that separates the two ventricles.
C
The oxygenated blood combines with the deoxygenated blood in the left ventricle and returns to the lungs.
D
A heart murmur is caused by the blood flowing through the hole.