Anatomy (some physiology) of the circulatory system

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

Which type of blood vessels carry blood toward the heart?

• Arteries

• Veins

• Arterioles

• Capillaries

Which respiratory structure comes in direct contact with the circulatory system as Carbon Dioxide gas diffuses out of the body and Oxygen diffuses in?

• diaphragm

• bronchioles

• Alveoli

• bronchi

Which number represents the right atrium?

• 3

• 2

• 6

• 9

Identify the most muscular chamber of the heart that pumps oxygenated blood into systemic circulation.

• 2

• 3

• 6

• 9

Which location of the heart is associated with the presence of oxygenated blood?

• 4

• 8

• 6

• 2

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

• Heart

• Blood

• Vessels

• Diaphragm

What is the name of the valve between chambers 7 and 9?

• Pulmonary Valve

• atrioventricular valve

• semilunar valve

• tricuspid

Which part of the heart receives blood?

• Atria

• Aorta

• Ventricles

• Pulmonary Artery

Identify the structure at 8

• Pulmonary Artery

• Pulmonary Vein

• Inferior Vena Cava

• Aora