This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 593 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 593 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. These cellular components of the blood are red and carry hemoglobin. They are bi-concave in shape. A) Thrombocytes. B) Plasma. C) Leukocytes. D) Erythrocytes. Show Answer Correct Answer: D) Erythrocytes. 2. Veins supply blood from your ..... to the ..... A) Body, heart. B) Heart, body. Show Answer Correct Answer: A) Body, heart. 3. What is made in the bone marrow? A) Blood cells. B) Plasma. C) Nutrients. D) None of above. Show Answer Correct Answer: A) Blood cells. 4. The phrase of Relaxation is called ..... A) Systole. B) Pulse. C) Diastole. D) Blood Transfusion. Show Answer Correct Answer: C) Diastole. 5. ..... Circulation system is the system that allows blood to travel through the lungs of the animal. A) Pulmonary. B) Systematic. C) Automatic. D) Nervomantic. Show Answer Correct Answer: A) Pulmonary. 6. Superior vena cava:from A) Heart. B) Lower part of body. C) Upper part of body. D) None of above. Show Answer Correct Answer: C) Upper part of body. 7. Open circulatory system ..... A) Exists in fish. B) Consist of heart and vena cava. C) When the heart relaxes, haemolymph flows back into the heart through tiny openings called ostium. D) All the answers above are incorrect. Show Answer Correct Answer: C) When the heart relaxes, haemolymph flows back into the heart through tiny openings called ostium. 8. Where does the deoxygenated blood from the body go? A) Stomach. B) Colon. C) Toes. D) Lungs. Show Answer Correct Answer: D) Lungs. 9. How does it work? A) Muscles, attached to bones or internal organs and blood vessles. B) Moving food through the GI tract. C) Carries oxygen, nutrients, and hormones to cell, and removes waste products. D) Allows oxygen in the air to be taken into the body. Show Answer Correct Answer: C) Carries oxygen, nutrients, and hormones to cell, and removes waste products. 10. State TRUE or FALSE !The contraction of auricles makes stronger sound. A) False. B) True. C) Maybe. D) None of above. Show Answer Correct Answer: A) False. 11. Capillaries connect A) Aorta to pulmonary artery. B) Left ventricle to right ventricle. C) Arteries to veins. D) Blood vessels to aorta. Show Answer Correct Answer: C) Arteries to veins. 12. During artrial systole, the ventricles are A) In systole. B) In diastole. C) Contracting. D) Not filling. Show Answer Correct Answer: B) In diastole. 13. True or false? The Respiratory system is known to have the brain as one of it's organs. A) True. B) False. Show Answer Correct Answer: B) False. 14. What functions to prevent the mixing of oxygen-rich blood and carbon dioxide-rich blood is..... A) Close your heart. B) Heart valve. Show Answer Correct Answer: B) Heart valve. 15. The circulatory system carries A) Nutrients and oxygen. B) Water. C) Feces. D) None of above. Show Answer Correct Answer: A) Nutrients and oxygen. 16. The walls are very thin A) Arteries (pulses) [6]. B) Venous Vessels (Back) [6]. C) Capillaries [5]. D) None of above. Show Answer Correct Answer: C) Capillaries [5]. 17. What happened to Jack's breathing rate as he was running? Explain your answer. A) His breathing rate increases, He needs to take in more oxygen for respiration as his body needs more energy while he is running. B) His breathing rate increases, He needs to take in more oxygen for respiration. C) His breathing rate increases, He needs to take in more oxygen so that more oxygen can be carried to his body by his blood. D) None of above. Show Answer Correct Answer: A) His breathing rate increases, He needs to take in more oxygen for respiration as his body needs more energy while he is running. 18. Valve found between the LA and the LV A) Tricuspid. B) Pulmonary. C) Aortic. D) Bicuspid. Show Answer Correct Answer: D) Bicuspid. 19. Blood pressure can be measures with the help of an instrument called ..... A) Sphygmomanometer. B) Barometer. C) Thermometer. D) Hygrometer. Show Answer Correct Answer: A) Sphygmomanometer. 20. This determines whether a person's blood type is positive or negative ..... A) Rh factor. B) Platelets. C) D antibodies. D) Plasma. Show Answer Correct Answer: A) Rh factor. ← 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