Great Layers of Heart

Tittle: Layers of Heart

Resource: http://www.arthursclipart.org/medical/circulatory/

Just like a delicious layer cake, human heart do composed of 3 main layers.

1. Pericardium

• outer sac of fibrous tissue

• inner sac of double membrane of serous 

2.  Myocardium

Tittle: Cardiac Muscles

Resource: http://www.arthursclipart.org/medical/circulatory/

• made up of cardiac muscle.

3. Endocardium.

• innermost lining.
• lines the inner chambers and valves.

Resource: Donna Van Wynsberghe,1990,Human Anatomy and Physiology.