Circulatory & Lymphatic Systems Quiz

Cardiac muscle layer of the heart wall.

• Myocardium

• Endocardium

• Pericardium

• Epicardium

The largest vein in the human body is:

• Vena cava

• Pulmonary vein

• Aorta

• Interjugular vein

The largest artery in the human body is the:

• Vena cava

• Aorta

• Atria

• Carotid artery

Oxygenated blood enters the aorta via the:

• Left atrium

• Right ventricle

• Right atrium

• Left ventricle

The clear, yellowish fluid is 55% of blood.

• Plasma

• Platelets

• White Blood Cells

• Red Blood Cells

The blood vessels that carry oxygenated blood away from the heart.

• Capillary

• Vein

• Artery

• Heart

The fluid that delivers oxygen, hormones, and nutrients to the cells and carries away wastes

• Platelets

• Blood

• Plasma

• Hemoglobin

• White Blood Cells

This protein binds with oxygen to provide target cells with materials.

• Hemocrit

• Serotonin

• Hemoglobin

• Gastrin

Platelets 

• allow for gases to exchange
• give blood its color
• fight infection and disease
• help clot blood

True or False: The lymph nodes produce white blood cells

• True
• False