Question
Biology Question on Circulatory Pathways
Sinus venosus is a thin-walled sac with little muscular tissue in primitive heart. It receives venous blood through the hepatic veins.
A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
B
If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
C
If Assertion is true but Reason is false.
D
If both Assertion and Reason are false.
Answer
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
Explanation
Solution
Sinus venosus is found in primitive vertebrates.