Question

____________ returns blood from head, neck, thorax and upper limbs to right atrium.

a.

Superior vena cava

b.

Inferior vena cava

c.

Pulmonary vein

d.

Pulmonary artery

Answer: (a).Superior vena cava

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Q. ____________ returns blood from head, neck, thorax and upper limbs to right atrium.

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