FA23 AP08 Vocab Quiz

The organ system composed of the heart and blood vessels.

• cardiovascular system
• arterioles
• capillary
• myocardium

A blood vessel that conducts blood away from the heart and toward the capillaries.

• artery
• precapillary sphincter
• vein
• atria

The smallest of the arterial blood vessels.

• arterioles
• capillary
• myocardium
• ventricle

Band of smooth muscle that controls blood flow into individual capillaries.

• precapillary sphincter
• vein
• atria
• septum

The smallest type of blood vessel.

• capillary
• myocardium
• ventricle
• atrioventricular (AV) valves

A thin-walled blood vessel that returns blood toward the heart from the venules.

• vein
• atria
• septum
• semilunar valves

Middle and largest layer of the heart wall, composed of cardiac muscle.

• myocardium
• ventricle
• atrioventricular (AV) valves
• pulmonary circuit

One of the two chambers of the heart that receive blood from veins and deliver it to the ventricles.

• atria
• septum
• semilunar valves
• systemic circuit

One of the two chambers that receives blood from an atrium and pumps it into an artery.

• ventricle
• atrioventricular (AV) valves
• pulmonary circuit
• aorta

The muscular partition that separates the right and left sides of the heart.

• septum
• semilunar valves
• systemic circuit
• coronary arteries