Biology, asked by harshdeep2117, 8 months ago

how many opening are there in each horn of sinus venosus ?

Answers

Answered by ꜱɴᴏᴡyǫᴜᴇᴇɴ

Explanation:

The sinus venosus is a large quadrangular cavity which precedes the atrium on the venous side of the chordate heart. In mammals, it exists distinctly only in the embryonic heart (where it is found between the two venae cavae); however, the sinus venosus persists in the adult.

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