Layers of the heart muscle & type of muscle is it

Question 1

What is the location of the endocardium?

Answer 1

Innermost layer

Question 2

What is the structure of the endocardium?

Answer 2

Thin, smooth lining of simple squamous epithelium

Question 3

What is the function of the endocardium?

Answer 3

Lines the heart chambers and valves; provides a smooth surface to reduce friction and prevent blood clotting

Question 4

What is the location of the myocardium?

Answer 4

Middle layer (and the thickest)

Question 5

What is the structure of the myocardium?

Answer 5

Made up of cardiac muscle tissue

Question 6

What is the function of the myocardium?

Answer 6

Responsible for the contraction of the heart and pumping of blood

Question 7

What is the location of the epicardium?

Answer 7

Outermost layer of the heart wall

Question 8

What is the structure of the epicardium?

Answer 8

Thin layer of connective tissue and fat with blood vessels

Question 9

What is the function of the epicardium?

Answer 9

Protects the heart and helps produce pericardial fluid

Question 10

What type of muscle is found in the heart?

Answer 10

Cardiac muscle

Question 11

What type of muscle is cardiac muscle?

Answer 11

Involuntary, striated muscle

Question 12

What are the unique features of cardiac muscle?

Answer 12

Intercalated discs (specialized connections for synchronized contraction), single central nucleus, striations like skeletal muscle, but involuntary like smooth muscle