Repeated sessions of contraction and relaxation are mainly associated with ______?

Repeated sessions of contraction and relaxation are mainly associated with ______?

سنکچن اور نرمی کے بار بار سیشن بنیادی طور پر ______ کے ساتھ وابستہ ہیں؟
Explanation

Muscle tissues are responsible for movement through contraction and relaxation.

They enable functions like heartbeat, digestion, and voluntary movements.