In the heart of a fish, a one-way valve prevents the back flow of blood from the
A) ventricle into the sinus venosus.
B) atrium into the conus arteriosus.
C) conus arteriosus into the ventricle.
D) sinus venosus into the conus arteriosus.
E) atrium into the sinus venosus.

Question

Quizplus · Accepted Answer

The one-way valve between the conus arteriosus and the ventricle ensures that blood flows in a single direction, from the ventricle into the conus arteriosus, without allowing it to flow back into the ventricle.

In the Heart of a Fish, a One-Way Valve Prevents