This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 121 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 121 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. After blood leaves the Right atrium it passes through the ..... A) Right ventricle. B) Aortic valve. C) Of valves. D) Tricuspid valve. Show Answer Correct Answer: D) Tricuspid valve. 2. The ..... is a type of ..... muscle which pumps blood throughout the body. A) Blood vessels, involuntary. B) Blood vessels, voluntary. C) Heart, voluntary. D) Heart, involuntary. Show Answer Correct Answer: D) Heart, involuntary. 3. Made up of the brain and spinal cord A) Peripheral Nervous System (PNS). B) Central Nervous System (CNS). C) Autonomic System. D) Somatic System. Show Answer Correct Answer: B) Central Nervous System (CNS). 4. Normal blood pressure A) $\frac{120}{80}$. B) $\frac{140}{90}$. C) $\frac{90}{80}$. D) $\frac{150}{80}$. Show Answer Correct Answer: A) $\frac{120}{80}$. 5. How many chambers are present in human heart? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 6. The history of blood typing started when a scientist by the name ..... discovered two kinds of substances (called antigens and antibodies) in human blood A) Karl Landsteiner. B) Karl Marx. C) Alfred Wegener. D) Nikola Tesla. Show Answer Correct Answer: A) Karl Landsteiner. 7. The AV valve on the right side is called the A) Tricuspid valve. B) Bicuspid valve. C) Pulmonary valve. D) Aortic valve. Show Answer Correct Answer: A) Tricuspid valve. 8. 4 A) Pulmonary vein. B) Aorta. C) Left atrium. D) Left ventricle. Show Answer Correct Answer: B) Aorta. 9. What is the function of the vein? A) To carry deoxygenated blood to the heart. B) To carry deoxygenated blood away from the heart. C) To carry oxygenated blood to the heart. D) To carry oxygenated blood away from the heart. Show Answer Correct Answer: A) To carry deoxygenated blood to the heart. 10. What does blood carry throughout the body? A) Carbon dioxide, nutrients, and waste products. B) Oxygen, nutrients, hormones, and waste products. C) Only oxygen and nutrients. D) Only waste products. Show Answer Correct Answer: B) Oxygen, nutrients, hormones, and waste products. 11. Our circulatory system helps us ..... A) Clean our blood. B) Sense the world around us. C) Transport nutrients, oxygen and waste around the body. D) None of above. Show Answer Correct Answer: C) Transport nutrients, oxygen and waste around the body. 12. These blood vessels (pipes) carry blood cells (delivery trucks) AWAY FROM THE HEART. A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Arteries. 13. Blood travels through at high pressure: A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 14. Plasma makes up ..... % of our blood A) 55. B) 1. C) 50. D) 52. Show Answer Correct Answer: A) 55. 15. Blood in mammals is contains red blood cells (erythrocytes) that A) Contain haemoglobin that binds and transports oxygen and carbon dioxide. B) Play roles in the immune system such as engulfing pathogens and producing antibodies. C) Are fragments of cells that prevent blood loss and ensure that blood clots. D) Contains dissolved ions, gasses, proteins and hormones. Show Answer Correct Answer: A) Contain haemoglobin that binds and transports oxygen and carbon dioxide. 16. Blood vessels carry the materials throughout the body. A) TRUE. B) FALSE. Show Answer Correct Answer: B) FALSE. 17. The system that makes white blood cells. A) Skeletal. B) Respiratory. C) Nervous. D) Circulatory. Show Answer Correct Answer: A) Skeletal. 18. A form of heart failure A) COPD. B) CHF. C) CPR. D) CAD. Show Answer Correct Answer: B) CHF. 19. Which of the following is NOT the adaptation to high altitude? A) Enlargement of thorax. B) Increasing number of platelets. C) Increasing number of red blood cells. D) Increasing number of haemoglobin. Show Answer Correct Answer: B) Increasing number of platelets. 20. Which body part is roughly the same size as your heart? A) Your knee cap. B) The bottom of your foot. C) Your brain. D) Your fist. Show Answer Correct Answer: D) Your fist. ← PreviousNext →Related QuizzesScience QuizzesCirculatory System Quiz 1Circulatory System Quiz 2Circulatory System Quiz 3Circulatory System Quiz 4Circulatory System Quiz 5Circulatory System Quiz 6Circulatory System Quiz 7Circulatory System Quiz 8Circulatory System Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books