Q. When all the four-chambers of the heart are in relaxed state, it is called
A) Joint systole
B) Joint diastole
C) Systole
D) Diastole
Explanation
Joint relaxation happens in the isometric relaxation. In this phase, all the valves are closed and atria and ventricles are in relaxed state
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.