Body Fluids and Circulation Question 72
72. Systemic heart refers to:
[2003]
(a) the two ventricles together in humans.
(b) the heart that contracts under stimulation from nervous system.
(c) left auricle and left ventricle in higher vertebrates.
(d) entire heart in lower vertebrates.
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Answer : c
Hints & Solutions
(c) Systemic heart refers to the part of the heart propelling blood through the systemic circulation specifically the left auricle and left ventricle in higher vertebrates. Systemic circulation carries oxygenated blood away from the heart to the body and return deoxygenated blood back to the heart. In this circulation, the blood leaves the heart, services the body’s cells and then reenters the heat. Blood leaves through the left ventricle to the aorta, the body’s largest artery.
