Explore the Circulatory System

What are the four main parts of the heart?

• aorta, pulmonary artery, vena cava, coronary artery

• right atrium, right ventricle, left atrium, left ventricle

• right atrium, left ventricle, septum, valve

• left atrium, right ventricle, pulmonary vein, aorta

Can you name the process by which blood circulates through the body?

• Respiration

• Circulation

• Digestion

• Excretion

What type of blood cell is responsible for carrying oxygen?

• Platelets

• Plasma cells

• Red blood cells

• White blood cells

Which part of the heart pumps blood to the lungs?

• Left ventricle

• Left atrium

• Right atrium

• Right ventricle

What is the function of red blood cells in the circulatory system?

• To fight infections in the body.

• To produce hormones in the circulatory system.

• To regulate body temperature.

• The function of red blood cells is to transport oxygen and carbon dioxide in the circulatory system.

What has the Pulmonary Vein got?

• Oxygenated blood

• Deoxygenated blood

• Air