TEST - Cardiovascular System

What is the primary function of the cardiovascular system?

• To digest food

• To circulate blood throughout the body

• To produce hormones

• To store energy

Which organ is responsible for pumping blood through the blood vessels?

• Liver

• Lungs

• Kidneys

• Heart

What are the smallest blood vessels where the exchange of substances occurs?

• Arteries

• Veins

• Capillaries

• Aorta

Which blood vessels carry blood away from the heart?

• Veins

• Capillaries

• Vena Cava

• Arteries

What is the function of red blood cells?

• To fight infections

• To transport oxygen

• To clot blood

• To carry nutrients

What is the largest artery in the body?

• Coronary Artery

• Vena Cava

• Aorta

• Pulmonary Artery

What is the role of white blood cells?

• To aid in digestion

• To carry carbon dioxide

• To transport oxygen

• To defend the body against infections

What is the liquid component of blood called?

• Lymph

• Platelets

• Hemoglobin

• Plasma

Which part of the heart receives blood?

• Septum

• Ventricles

• Atria

• Valves

What is the function of platelets?

• To transport oxygen

• To fight infections

• To help with blood clotting

• To carry nutrients