What is the function of the structure labeled B?
A) It pulls the valves open.
B) It prevents closure of the valves.
C) It prevents the valves from projecting into the atria.
D) It helps push blood from the ventricles into the atria.

Question

What is the function of the structure labeled B? 
A) It pulls the valves open. 
B) It prevents closure of the valves. 
C) It prevents the valves from projecting into the atria. 
D) It helps push blood from the ventricles into the atria.

Quizplus · Accepted Answer

The Answer of What is the function of the structure labeled B? 
A) It pulls the valves open. 
B) It prevents closure of the valves. 
C) It prevents the valves from projecting into the atria. 
D) It helps push blood from the ventricles into the atria.

What Is the Function of the Structure Labeled B