Answer:
These muscles push materials like food or blood through organs. Unlike skeletal muscle, smooth muscle can never be under your control.
Explanation:
Cardiac muscle is also an involuntary muscle, found only in the heart. Cardiac muscle differs from skeletal muscle in that it exhibits rhythmic contractions and is not under voluntary control. The rhythmic contraction of cardiac muscle is regulated by the sinoatrial node of the heart, which serves as the heart's pacemaker.
The beginning of every workout should start with
C) A warm-up.
I am sure it is the first answer, to speak up when you need information restated or explained.
