Question

Blood circulation take following course in heart
of man
(a) Left auricle - left ventricle
(b) Right auricle -left ventricle
(c) Left auricle -left ventricle -lungs - right auricle-
right ventricle
(d) None of them

Answer 1

Answer:

C

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Answer 2

Blood circulation follows the pathway - (d) None of them

Blood is pumped from heart to different parts of body.

Purification of blood takes place in lungs, where carbon dioxide is released and oxygen is inhaled.

Now, blood enters the heart from different parts of body through vena cava.

It enters right auricle, then passes through tricuspid valve into right ventricle.

Now, with pulmonary artery, deoxygenated blood is taken in lungs and through pulmonary vein oxygenated blood reaches left auricle.

Passing bicuspid valve blood reaches left ventricle and through aorta blood reaches different parts of body.