Cardiovascular System

The middle layer of the wall of the heart

• epicardium
• myocardium
• endocardium
• septum

How many chambers does the heart have ? 

• 4
• 6
• 3
• 1

The____ is a double-walled sac around the heart.

• Pericardium
• Myocardium
• Endocardium
• Epicardium

What are the receiving chambers of the heart?

• Ventricles
• Atria
• Auricles
• None

blood vessels that allow exchange of nutrients with body tissues

• arteries
• veins
• capillaries
• coronary arteries

small veins

• capillaries
• arterioles
• venules
• corpuscles

small arteries

• venules
• arterioles
• capillaries
• pulmonaries

SA (sinoatrial) node; regulates to pace  the heart

• AV node
• Purkinje fibers
• SV node
• pacemaker

period of ventricular rest

• systole
• diastole

period of ventricular contraction

• systole
• diastole