This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 27 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 27 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the liquid portion of the blood? A) Red Blood Cell. B) Spinal Fluid. C) Plasma. D) Platelets. Show Answer Correct Answer: C) Plasma. 2. How to plants make their own food? A) The sun. B) Rain, water, and sunlight. C) The process of photosynthesis. D) Plant mechanics. Show Answer Correct Answer: C) The process of photosynthesis. 3. What pumps the blood to all parts of the body? A) The Brain. B) The Heart. C) The Lungs. D) The Stomach. Show Answer Correct Answer: B) The Heart. 4. A condition that develops when your blood lacks enough healthy red blood cells A) Thalassemia. B) Anemia. C) Leukemia. D) Leukopenia. Show Answer Correct Answer: B) Anemia. 5. A normal ..... makes a ¨lubb-dubb¨ sound. A) Hearbeat. B) Pacemaker. C) Atrium. D) Ventricle. Show Answer Correct Answer: A) Hearbeat. 6. What is the main function of the systemic circuit in the circulatory system? A) To pump blood to the heart only. B) To pump blood to the whole body. C) To pump blood to the brain only. D) To pump blood to the lungs only. Show Answer Correct Answer: B) To pump blood to the whole body. 7. Select the answer that has all the blood vessels. A) Arteries, Capillaries, Blood, Platelets. B) Capillaries, Platelets, Plasma, Blood. C) Arteries, Veins, Capillaries. D) Platelets, Capillaries, Veins. Show Answer Correct Answer: C) Arteries, Veins, Capillaries. 8. Has neither A or B antigens on the surface of the red blood cells but has both A and B antibodies in the blood plasma A) Type O. B) Transfusion. C) Infusion. D) Agglutination. E) Agglutination. Show Answer Correct Answer: A) Type O. 9. What happens when a clot occurs in an undamaged blood vessel? A) You would bleed to death. B) A scab will form on the skin surface. C) Platelets stick to the edges of the cut and form a plug. D) The flow of blood to tissues beyond the clot may be cut off. Show Answer Correct Answer: D) The flow of blood to tissues beyond the clot may be cut off. 10. Veins carry oxygen poor blood back to the heart. A) False. B) True tagsCirculatory System. Show Answer Correct Answer: B) True tagsCirculatory System. 11. What is diastolic pressure? A) The pressure in your arteries during the contraction of your heart muscle. B) The pressure in the arteries when the heart rests between beats. Show Answer Correct Answer: B) The pressure in the arteries when the heart rests between beats. 12. What carrys the used blood back to the heart? A) Lungs. B) Mouth. C) Stomach. D) Veins and blood vessels. Show Answer Correct Answer: D) Veins and blood vessels. 13. What do veins do in the circulatory system? A) They carry blood away from the heart. B) They carry blood towards the heart. C) They transport hormones only. D) They remove oxygen from the cells. Show Answer Correct Answer: B) They carry blood towards the heart. 14. How much blood does the average adult possess? A) About 4 liters. B) About 5 liters. C) About 6 liters. D) About 7 liters. Show Answer Correct Answer: B) About 5 liters. 15. White blood cells are involved with our ..... system A) Immune. B) Circulatory. C) Digestive. D) Muscular. Show Answer Correct Answer: A) Immune. 16. In the pulmonary circuit, the blood leaves the heart in the A) Pulmonary arteries. B) Pulmonary veins. C) Aorta. D) Vena cava. Show Answer Correct Answer: A) Pulmonary arteries. 17. The formation of blood cells and occurs in bone marrow A) Phagocytosis. B) Hemophiliac. C) Hematopoiesis. D) Thrombus. Show Answer Correct Answer: C) Hematopoiesis. 18. I Carry OXYGENATED blood from to the Left atrium towards the heart A) Pulmonary artery. B) Pulmonary Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Pulmonary Veins. 19. When the heart beats, which part has the highest pressure? A) Atrium dexter. B) Atrium sinister. C) Dexter ventricle. D) Left ventricle. Show Answer Correct Answer: D) Left ventricle. 20. How many hearts does a squid have? A) One. B) Two. C) Three. D) Four. Show Answer Correct Answer: C) Three. ← 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