Content Quiz

What is the primary function of the cardiovascular system?

• Produce energy

• Circulate blood

• Control body temperature

• Digest food

Which organ pumps blood throughout the body?

• Lungs

• Liver

• Heart

• Brain

Which blood vessels carry blood away from the heart?

• Viens

• Capillaries

• Arteries

• Lymphatics

What is the largest artery in the human body?

• Pulmonary artery

• Aorta

• Coronary artery

• Vena cava

Which chamber of the heart receives oxygen-rich blood from the lungs?

• Right atrium

• Right ventricle

• Left atrium

• Left ventricle

Which cells in the blood carry oxygen?

• White blood cells

• Platelets

• Red blood cells

• Plasma

What part of the blood is responsible for clotting?

• Plasma

• Platelets

• Red blood cells

• Hormones

Which vessels connect arteries and veins?

• Venules

• Capillaries

• Arterioles

• Lymph nodes

What is the function of white blood cells?

• Carry oxygen

• Regulate temperature

• Defense against infections

• Help with clotting

Which blood vessel returns deoxygenated blood to the heart?

• Aorta

• Pulmonary vein

• Vena cava

• Carotid artery