Question

the cardia muscles do not move?use your brain power question

Answer 1

Cardiac muscles do not move bt blood moves into cardiac for maintaining circulation process

Answer 2

Cardiac muscles does movement of contraction and expansion. As cardiac muscles are involuntary in nature that's why we can't control movements of cardiac muscles by our will. Actually these contractions and expansions is done by sodium and potassium ions level concentrations and due to function of Autonomous Nervous System..