MediumZoologyFrog and Cockroach
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The thin-walled, large, translucent, and highly vascularized structures in a frog's heart that receive blood are:
A
Ventricles
B
Atria
C
Sinus venosus
D
Conus arteriosus
Explanation
The frog heart has two atria (right and left) which receive deoxygenated and oxygenated blood respectively before pumping it into a single ventricle.
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