by Debbie Hopson
The human circulatory system is a marvel of biological engineering, tirelessly working to deliver oxygen and nutrients to every cell in your body while removing waste products. This quiz will take you through the intricate details of this vital system, from the heart’s chambers to the vast network of blood vessels. Get ready to test your understanding and gain deeper insights into how your body keeps you alive and thriving. Good luck!
We recommend that you do not leave the page that you are taking this quiz in. Stay honest 🙂
Circulatory System Quiz Questions Overview
1. What is the main function of the circulatory system?
To produce hormones
To transport nutrients and oxygen
To digest food
To control body temperature
2. Which organ is primarily responsible for pumping blood throughout the body?
Lungs
Liver
Heart
Kidneys
3. How many chambers does the human heart have?
2
3
4
5
4. What type of blood vessels carry blood away from the heart?
Veins
Arteries
Capillaries
Lymph vessels
5. Which component of blood is responsible for clotting?
Red blood cells
White blood cells
Platelets
Plasma
6. What is the largest artery in the human body?
Pulmonary artery
Aorta
Carotid artery
Femoral artery
7. Which blood vessels are involved in the exchange of oxygen and carbon dioxide in the tissues?
Arteries
Veins
Capillaries
Lymph vessels
8. What is the name of the upper chambers of the heart?
Ventricles
Atria
Septum
Valves
9. Which blood type is known as the universal donor?
A
B
AB
O
10. What is the function of hemoglobin in red blood cells?
Transporting hormones
Fighting infections
Carrying oxygen
Clotting blood
11. Which side of the heart pumps oxygenated blood to the body?
Left side
Right side
Both sides
Neither side
12. What is the name of the valve between the left atrium and the left ventricle?
Tricuspid valve
Pulmonary valve
Mitral valve
Aortic valve
13. Which component of the blood fights infections?
Red blood cells
White blood cells
Platelets
Plasma
14. What is the name of the largest vein in the human body?
Pulmonary vein
Superior vena cava
Inferior vena cava
Jugular vein
15. What is the liquid component of blood called?
Serum
Plasma
Lymph
Hemoglobin
16. Which side of the heart receives deoxygenated blood from the body?
Left side
Right side
Both sides
Neither side
17. What is the name of the process by which blood cells are produced?
Hemolysis
Hematopoiesis
Hemostasis
Hemophilia
18. Which blood vessels carry oxygenated blood from the lungs to the heart?
Pulmonary arteries
Pulmonary veins
Coronary arteries
Coronary veins
We recommend that you do not leave the page that you are taking this quiz in. Stay honest 🙂
