GENERAL HISTOLOGY

Detailed explanation-1: -Cardiac muscle makes up the thick middle layer of the heart and is surrounded by a thin outer layer called the epicardium or visceral pericardium and an inner endocardium.

Detailed explanation-2: -Cardiac muscle is an involuntary striated muscle tissue found only in the heart and is responsible for the ability of the heart to pump blood.

Detailed explanation-3: -Additionally, the heart is largely made up of a type of muscle tissue called cardiac muscle. This muscle contracts when your heart beats, allowing blood to pump through your body.