Question

what is cardiac muscles​

Answer 1

Answer:

Cardiac muscle is a type of involuntary muscle found in the heart. Its function is speedy conduction of action potential causing contraction leading to rhythmic beating of the heart without break.

Answer 2

Answer:

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$\bigstar$Cardiac muscle is striated muscle that is present only in the heart.

 $\bigstar$Cardiac muscle fibers have a single nucleus, are branched, and joined to one another by intercalated discs that contain gap junctions for depolarization between cells and desmosomes to hold the fibers together when the heart contracts.