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Label the diagram given below :


(a)A - Dorsal Aorta, B - Vena cava, C - Pulmonary Artery, D - Smooth muscle
(b)A - Dorsal Aorta, B - Smooth muscle, C - Vena cava, D - Pulmonary Artery
(c)A - Vena cava, B - Dorsal Aorta, C - Smooth muscle; D - Pulmonary Artery
(d)A - Dorsal Aorta, B - Vena cava, C - Smooth muscle, D - Pulmonary Artery

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Important Questions on Body Fluids and Circulation
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In sunlight the face becomes reddish due to-

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Read carefully the statements given below -
I. Protein contributes $6-8 \%$ of the blood plasma.
II. Plasma contains very high amount of platelets
III. Plasma without the clotting factors is called serum.
IV. Glucose, amino acids, lipids, etc, also present in the plasma. In the above statements

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The opening between the right atrium and the right ventricle is guarded by a valve called______Whereas______ guards the opening of the left atrium and the left ventricle -

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Select incorrect statement about lymph.

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The accompanying diagram shows three stages in the cardiac cycle
Which of the following sequence is correct?
