(i) Left atrium receives oxygenated blood from different parts of
body while right atrium receives deoxygenated blood from lungs
(ii) Left ventricle pumps oxygenated blood to different body parts
while right ventricle pumps deoxygenated blood to lungs
(iii) Left atrium transfers oxygenated blood to right ventricle which
sends it to different body parts
(iv) Right atrium receives deoxygenated blood from different parts
of the body while left ventricle pumps oxygenated blood to
different parts of the body
(a) (i) (b) (ii)
(c) (ii) and (iv) (d) (i) and (iii)
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