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What is the shape of the sinus venosus?

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in Biology – Class 11 by (272k points)
What is the shape of the sinus venosus?

(a) Spherical

(b) Irregular

(c) Triangular

(d) Cylindrical

This question was addressed to me in unit test.

My doubt is from Animals Structural Organisations topic in section Structural Organisations in Animals of Biology – Class 11

1 Answer

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Best answer
Correct choice is (c) Triangular

Explanation: The sinus venosus is a triangular structure. It receives blood from the vena cava which are major veins of the body. The sinus venosus then joins the right atrium and delivers the deoxygenated blood.

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