STANDARDZoology-Circulatory System
STANDARD Zoology Heart Structure MCQ Question
Type: MCQ-conceptual-Medium
Right auricle of mammalian heart receives blood from
A
Sinus venosus
B
Pulmonary veins
C
Precavals
D
superior vena cava and inferior vena cava
Correct Answer
Option D
Detailed Explanation
The right auricle receives deoxygenated blood from the superior and inferior vena cava, which bring blood from the upper and lower parts of the body, respectively.
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