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Question Question 2(iii)
Fill in the blanks with suitable words.
Blood in human beings flows (a) ............... in the heart before it completes (b) ............... round. It is comprised of one short pathway, i.e. (c) ............... circulation and another long pathway, i.e. (d) ............... circulation. Due to this reason, the blood flow in humans is known as (e) ............... circulation.
Blood in human beings flows (a) twice in the heart before it completes (b) one round. It is comprised of one short pathway, i.e. (c) pulmonary circulation and another long pathway, i.e. (d) systemic circulation. Due to this reason, the blood flow in humans is known as (e) double circulation.