This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 59 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 59 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The name of the process when the outside air moves into the lungs A) Inspiration. B) Expiration. C) Aspiration. D) Respiration. Show Answer Correct Answer: A) Inspiration. 2. Lymph contains a special type of white blood cells called A) Leucocytes. B) Lymphocytes. C) Lymphocytes. D) Lymph nodes. Show Answer Correct Answer: B) Lymphocytes. 3. Heart A) Muscular sac that churns food into chyme. B) Muscular pump that circulates the blood; has four chambers and four valves. C) The site of gas exchange for oxygen and carbon dioxide. D) None of above. Show Answer Correct Answer: B) Muscular pump that circulates the blood; has four chambers and four valves. 4. Why is exercise important for cardiovascular health? A) It helps loosen up the heart. B) It strengthens the heart. C) It makes fat cells thinner. D) It makes more proteins for the heart. Show Answer Correct Answer: B) It strengthens the heart. 5. The human heart has ..... chambers. A) 2. B) 4. C) 8. D) 1. Show Answer Correct Answer: B) 4. 6. Heart attack and cardiac arrest are not different A) True. B) False. Show Answer Correct Answer: A) True. 7. What is the organs that pumps blood throughout the body? A) Lymph node. B) Pulmonary. C) Heart. D) Arteries. Show Answer Correct Answer: C) Heart. 8. What carries blood from the body cells back to the heart A) Veins. B) Arteries. C) Capillaries. D) Heart. Show Answer Correct Answer: A) Veins. 9. Measures body and brain activity during sleep. A) The polysomnogram. B) Sleep apnea. Show Answer Correct Answer: A) The polysomnogram. 10. These cells look like a flattened donut A) White blood cells. B) Red blood cells. Show Answer Correct Answer: B) Red blood cells. 11. The heart contracts, blood is pumped out of the heart (heart contracts) A) Diastole. B) Systole. Show Answer Correct Answer: B) Systole. 12. What is the purpose of White Blood Cells A) To carry nutrients. B) Fights Infections. C) Carry oxygen. D) Carries Waste. Show Answer Correct Answer: B) Fights Infections. 13. The ..... is a hollow, muscular pump that propels blood through the circulatory system A) Kidney. B) Heart. C) Spleen. D) Brain. Show Answer Correct Answer: B) Heart. 14. What are the main parts of the circulatory system? A) Muscle, heart, and veins. B) Heart, arteries, capillaries and veins. C) Heart, smooth muscle and skeletal muscle. D) Lungs, veins and brain. Show Answer Correct Answer: B) Heart, arteries, capillaries and veins. 15. Which component of blood transports various essential substances like glucose, proteins, and hormones? A) Red Blood Cells. B) White Blood Cells. C) Platelets. D) Plasma. Show Answer Correct Answer: D) Plasma. 16. What prevents food from entering the lungs? A) The pharynx. B) A flap of tissues called the epiglottis. C) Cilia. D) The alveoli. Show Answer Correct Answer: B) A flap of tissues called the epiglottis. 17. Which blood vessel takes deoxygenated blood from the heart to the lungs? A) Pulmonary vein. B) Pulmonary artery. C) Aorta. D) Vena cava. Show Answer Correct Answer: B) Pulmonary artery. 18. The scientific name of a red blood cell A) Erythrocyte. B) Leukocyte. C) Thrombocyte. D) Plasmocyte. Show Answer Correct Answer: A) Erythrocyte. 19. Which type of white blood cell produces antibodies in response to antigens? A) Eosinophils. B) Platelets. C) Phagocytes. D) Lymphocytes. Show Answer Correct Answer: D) Lymphocytes. 20. Which of the following is the scientific name for red blood cells? A) Erythrocytes. B) Leukocytes. C) Thrombocytes. D) Osteocytes. Show Answer Correct Answer: A) Erythrocytes. ← 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