Anatomy (some physiology) of the circulatory system

How many chambers does the mammalian heart have?

• 2

• 1

• 4

• 3

Which part of the heart receives blood?

• Atria

• Aorta

• Ventricles

• Pulmonary Artery

Which type of blood vessels carry blood toward the heart?

• Arteries

• Venules

• Arterioles

• Capillaries

Which blood vessels are small and thin enough to allow for the diffusion of gases and nutrients into and out of circulation?

• Capillaries

• Venules

• Arterioles

• Veins

What side of the heart carries deoxygenated blood?

• Left

• Right

• Both sides of the heart carry deoxygenated blood

• Neither; blood is always oxygenated when it travels through the heart.

Which anatomical structure is NOT a part of the circulatory system?

• Heart

• Blood

• Vessels

• Diaphragm

What circuit represents blood traveling from the heart to the organs of the body; back to the heart again?

• Systemic

• Coronary

• Pulmonary

• Double

Blood entering the right atrium is traveling in the ________ circuit.

• Coronary

• Pulmonary

• Cardiac

• Systemic

Identify the structure labeled at 1

• Pulmonary Vein

• Superior Vena Cava

• Inferior Vena Cava

• Pulmonary Artery

Identify the structure at 5

• Aorta

• Pulmonary Artery

• Superior Vena Cava

• Pulmonary Vein