This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 663 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 663 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. There are no smooth muscles and connective tissue A) Arteries (pulses) [6]. B) Venous Vessels (Back) [6]. C) Capillaries [5]. D) None of above. Show Answer Correct Answer: C) Capillaries [5]. 2. Blood becomes bright red in color because of the amount of ..... present. A) Folic acid. B) Hemoglobin. C) Oxygen. D) Iron. Show Answer Correct Answer: C) Oxygen. 3. If you wanted to see red blood cells being created, where would you look? A) The heart. B) The liver. C) The lungs. D) The bones. Show Answer Correct Answer: D) The bones. 4. Can donate red blood cells to only AB but can receive from all others. A) Type O. B) Type AB. C) Type B. D) Type A. Show Answer Correct Answer: B) Type AB. 5. The relaxation portion of heart contractions is ..... ? A) Diastole. B) Systole. C) Auricle. D) Valves. Show Answer Correct Answer: A) Diastole. 6. The digestive process starts in the: A) Mouth. B) Stomach. C) Liver. D) None of above. Show Answer Correct Answer: A) Mouth. 7. IDENTIFY THE PARTS OF THE HEART:collects blood that enters the heart A) Pericardium. B) Endocardium. C) Valves. D) Atrium. E) Ventricles. Show Answer Correct Answer: D) Atrium. 8. Which Blood cells are bigger, the white or red? A) White. B) Red. C) Granulocytes. D) Lymphtocytes. Show Answer Correct Answer: A) White. 9. Which of the following body organs do not belong in the group based on their coordinated function? A) Trachea. B) Alveoli. C) Bronchioles. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 10. What's the name of the cell that helps your circulatory system? A) Red cell. B) White cell. C) Bone Cells. D) None, cells don't help you!. Show Answer Correct Answer: A) Red cell. 11. The left side of the heart muscle is smaller than the right side A) True. B) False. Show Answer Correct Answer: B) False. 12. True or False:Organisms with an open circulatory system do not have a heart-like structure. A) True. B) False. Show Answer Correct Answer: B) False. 13. What is the smallest blood vessels? A) Capillaries. B) Arteries. C) Veins. D) No one of the above. Show Answer Correct Answer: A) Capillaries. 14. The type of muscle found only in the heart is: A) Smooth. B) Striated. C) Cardiac. D) Skeletal. Show Answer Correct Answer: C) Cardiac. 15. The interstitial fluid present in open circulatory systems is coined as ..... A) Hemolymph. B) Hemolymph. C) Hemolypmh. D) Hemolymph. Show Answer Correct Answer: A) Hemolymph. 16. The circulatory circuit is made up of two circuits called ..... A) Arteries and veins. B) Digestive and respiratory circuits. C) Pulmonary and systemic circuits. D) None of above. Show Answer Correct Answer: C) Pulmonary and systemic circuits. 17. Strong elastic vessels designed to carry blood away from the heart at a high pressure A) Arteries. B) Arterioles. C) Veins. D) Capillaries. E) Capillaries. Show Answer Correct Answer: A) Arteries. 18. Where does the exchange of oxygen and carbon dioxide primarily occur within the circulatory system? A) Arteries. B) Capillaries. C) Veins. D) Venules. Show Answer Correct Answer: B) Capillaries. 19. It is the external openings of the nose. A) Nasal cavity. B) Nasal septum. C) Nostrils. D) Sinuses. Show Answer Correct Answer: C) Nostrils. 20. Pumps oxygen-poor blood to the lungs A) Right Ventricle. B) Right Atrium. C) Left Ventricle. D) Left Atrium. Show Answer Correct Answer: A) Right Ventricle. ← 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