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What is the shape of the sinus venosus?(a) Spherical(b) Irregular(c) Triangular(d) CylindricalThis 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

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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