Anatomy chpt 15 heart

Match the following terms

• apex

• membranous fibroserous sac enclosing the heart and the bases of the great vessels

• base

• Upper right portion & the broadest part of the heart; where great vessels enter and leave

• pericardium

• lower left portion & The pointed end of the heart, the location of the point of maximum impulse; strongest beat can be heard

loose fitting sac of strong connective tissue- is the outermost layer

• fibrous pericardium

• serous pericardium

Consists of two layers, covers the heart's surface

• fibrous pericardium

• serous pericardium

layer of the serous pericardium that lines the inside of the fibrous pericardium

• parietal layer

• visceral layer

layer of the serous pericardium that covers the heart's surface

• parietal layer

• visceral layer

This cavity contains a small amount of serous fluid, which helps prevent friction as the heart beats

• pericardial cavity

• Thoracic cavity

• Ventricular cavity

• Abdominal cavity

Also known as the the visceral layer of the serous pericardium, this layer of the heart consists of a thin layer of squamous epithelial cells

• epicardium

• myocardium

• endocardium

middle layer of the heart that is the thickest of the three layers and performs the work of the heart; composed of cardiac muscle

• myocardium

• endocardium

• epicardium

Lines the hearts chambers, covers the valves, and continues into the vessels. consists of a thin layer of squamous epithelial cells. very smooth to help keep blood from clotting as it fills the heart's chambers

• endocardium

• myocardium

• epicardium

The two upper chambers of the heart that serve as reservoirs, receiving blood from the body or lungs.

• atrium

• Ventricles