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The figure shows a schematic plan of blood circulation in humans with labels A to D. Identify the label and give its function/s.

(a)B- Pulmonary artery - takes blood from heart to lungs,
(b)C- Vena cava - takes blood from the body parts to right auricle,
(c)D- Dorsal aorta - takes blood from the heart to body parts,
(d)A- Pulmonary vein - takes impure blood from body parts,

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Important Questions on Body Fluids and Circulation
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Reason (R): It receives deoxygenated blood from body parts.
The correct option among the following is

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Given below are sets of five terms each. Rewrite the terms in correct order in a logical sequence beginning with the first word that is underlined:
Artery, Capillaries, Venule, Vein, Arteriole.

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Which one of the following graphs best describes the Blood Pressure (BP) change when blood moves from aorta to capillaries?

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The blood vessel that carries absorbed nutrients such as glucose and amino acids from intestine to liver is

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