This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 550 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 550 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Aphids use their..... to emerge into phloem. Aphids use ..... to penetrate the nutrient tissue. A) Haustoria Ha storia. B) Proboscis. C) Straw Straw like organ. D) All the above. Show Answer Correct Answer: B) Proboscis. 2. Expansion/contraction of arteries A) Veins. B) Valves. C) Heart disease. D) Pulse. Show Answer Correct Answer: D) Pulse. 3. Oxygen A) A colorless, odorless, gaseous element that is found in air and water. It is necessary for humans, animals and plants to live. B) Any of several large veins in the neck, carrying blood from the head and face. C) Beat of the heart as felt through the walls of the arteries. D) Lower than normal blood pressure. Show Answer Correct Answer: A) A colorless, odorless, gaseous element that is found in air and water. It is necessary for humans, animals and plants to live. 4. The primary purpose of red blood cells is to A) Carry oxygen and carbon dioxide. B) Create clots. C) Fight off infection. D) Transport nutrients. Show Answer Correct Answer: A) Carry oxygen and carbon dioxide. 5. The diastolic blood pressure reading is the number on ..... and means the heart is at ..... A) Bottom, rest. B) Bottom, at work. C) Top, at work. D) Top, at rest. Show Answer Correct Answer: A) Bottom, rest. 6. Recall how many chambers the heart has. A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 7. What are the names of the three types of blood vessels A) Veins, arteries, capillaries. B) Arteries, red blood cells, veins. C) Veins, capillaries, bone marrow. D) Arteries, platelets, plasma. Show Answer Correct Answer: A) Veins, arteries, capillaries. 8. Normal Blood Pressure in Human is A) 80/120 mm Hg. B) 80/110 mm Hg. C) 100/80mm Hg. D) 120/80 mm Hg. Show Answer Correct Answer: D) 120/80 mm Hg. 9. Diameter 5-20 $\mu$ A) Arteries (pulses) [6]. B) Venous Vessels (Back) [6]. C) Capillaries [5]. D) None of above. Show Answer Correct Answer: C) Capillaries [5]. 10. Which system breaks down foods and liquids into smaller pieces, moves food through the body, and absorbs nutrients through foods and liquids A) Circulatory. B) Digestive. C) Muscular. D) Respiratory. Show Answer Correct Answer: B) Digestive. 11. What is the role of platelets in the circulatory system? A) Transporting oxygen. B) Preventing blood loss. C) Producing antibodies. D) Removing waste. Show Answer Correct Answer: B) Preventing blood loss. 12. Which valve controls blood flow from the Left Atrium to the Left Ventricle A) Bicuspid. B) Tricuspid. C) Pulmonary Semilunar Valve. D) Aortic Semilunar Valve. E) There is no valve, blood just flows right in. Show Answer Correct Answer: A) Bicuspid. 13. Who has the fastest heartbeats A) Teens. B) Adults. C) Newborn Babys. D) Kids 2-12 Years Old. Show Answer Correct Answer: C) Newborn Babys. 14. The rhythm that blood moves through the body. Hint:heartbeat A) Pulse. B) Artery. C) Blood. D) Blood vessels. Show Answer Correct Answer: A) Pulse. 15. This circuit of the circulatory system allows blood to flow to and from the rest of the body. A) Pulmonary circuit. B) Systemic circuit. C) Coronary circuit. D) None of above. Show Answer Correct Answer: B) Systemic circuit. 16. After delivering the oxygen the blood return to the heart. A) True. B) False. C) He never returns to me. D) None of above. Show Answer Correct Answer: A) True. 17. The two atriums and ventricles are also referred to as the heart's ..... A) Entries. B) Chambers. C) Parts. D) Sections. Show Answer Correct Answer: B) Chambers. 18. Veins have thinner walls than the arteries A) True. B) False. Show Answer Correct Answer: A) True. 19. Increased blood pressure over time can cause problems with the heart, blood vessels, kidneys and even the brain A) True. B) False. Show Answer Correct Answer: A) True. 20. The pulmonary ..... provide oxygen rich blood to the heart. A) Vein. B) Artery. C) Venule. D) Arterioles. Show Answer Correct Answer: A) Vein. ← 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