Human Circulatory System

What is the main organ of the circulatory system?

• heart

• stomach

• liver

• brain

What is the liquid part of blood called?

• platelets

• plasma

• hemoglobin

• serum

Which blood vessels carry blood away from the heart?

• Arteries

• Lymphatic vessels

• Capillaries

• Veins

What is the name of the largest artery in the human body?

• capillary

• carotid artery

• aorta

• vein

What is the process by which blood moves through the body called?

• transfusion

• extraction

• circulation

• filtration

What is the name of the upper chamber of the heart?

• pulmonary artery

• aorta

• ventricle

• atrium

What is the name of the lower chamber of the heart?

• Atrium

• Ventricle

• Pulmonary artery

• Septum

What is the average adult heart rate at rest?

• 60-100 beats per minute

• 40-80 beats per minute

• 50-90 beats per minute

• 70-110 beats per minute

What is the name of the valve that separates the left atrium from the left ventricle?

• Aortic valve

• Pulmonary valve

• Tricuspid valve

• Mitral valve

What is the term for the tiny blood vessels where oxygen and nutrients are exchanged for waste products?

• Lymphatics

• Veins

• Capillaries

• Arteries