Circulatory System Quiz

What is the main function of the circulatory system?

• To transport glucose and gases around the body

• To digest food

• To produce hormones

• To control body temperature

What color is human blood?

• Yellow

• Red

• Green

• Blue

What do red blood cells transport?

• Proteins

• Nutrients

• Gases

• Hormones

Which side of the heart pumps oxygenated blood?

• Bottom side

• Left side

• Top side

• Right side

What is the function of the heart valves?

• To digest food

• To mix oxygenated and deoxygenated blood

• To produce red blood cells

• To prevent backflow of blood

What is the role of capillaries in the circulatory system?

• To carry blood away from the heart

• To carry blood to the heart

• To deliver oxygen to organs and tissues

• To produce white blood cells

What is the name of the major artery that carries oxygenated blood throughout the body?

• Coronary artery

• Aorta

• Pulmonary artery

• Vena cava

What is the function of coronary arteries?

• To deliver blood to the stomach

• To deliver blood to the brain

• To deliver blood to the heart

• To deliver blood to the lungs

What is an atrial septal defect?

• A condition where the heart beats too fast

• A condition where the heart beats too slow

• A condition where the heart stops beating

• A condition where oxygen-rich blood mixes with oxygen-poor blood

What is the sequence of blood flow starting from the right atrium?

• Right atrium, bicuspid valve, left ventricle, pulmonary valve, pulmonary artery

• Right atrium, aortic valve, left ventricle, tricuspid valve, pulmonary artery

• Right atrium, mitral valve, right ventricle, aortic valve, aorta

• Right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary artery