This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 44 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 44 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The relaxing/filling stage of the cardiac cycle? A) Systole. B) Diastole. C) Hemastole. D) Erythritol. Show Answer Correct Answer: B) Diastole. 2. Which of these is not a type of blood vessel? A) Capillaries. B) Arteries. C) Veins. D) Atrium. Show Answer Correct Answer: D) Atrium. 3. Blood makes tissues look.....in real life A) Red. B) Yellow. C) Green. D) None of above. Show Answer Correct Answer: A) Red. 4. Arteries carry oxygenated blood except ..... artery which carries deoxygenated blood from the heart to lungs to get purified or oxygenated? A) Coronary artery. B) Renal artery. C) Pulmonary artery. D) None. Show Answer Correct Answer: C) Pulmonary artery. 5. The organs of the circulatory system work together to do what? A) Pick up and take different materials around the body. B) Move nerve impulses to different body parts. C) Give the body oxygen & get rid of carbon dioxide. D) None of above. Show Answer Correct Answer: A) Pick up and take different materials around the body. 6. Serous membrane that encloses the heart: A) Pleura. B) Pericardium. C) Peritoneum. D) Myocardium. Show Answer Correct Answer: B) Pericardium. 7. The part of blood that carries oxygen to the body: A) Platelets. B) Plasma. C) Red blood cells. D) White blood cells. Show Answer Correct Answer: C) Red blood cells. 8. Which is not the component of the Circulatory system? A) Heart. B) Arteries. C) Cell. D) Blood. Show Answer Correct Answer: C) Cell. 9. The part of the respiratory system that humans use for talking is the ..... A) Trachea. B) Pharynx. C) Larynx. D) Bronchi. Show Answer Correct Answer: C) Larynx. 10. What continent is China in? A) Europe. B) Asia. C) Africa. D) Australia. Show Answer Correct Answer: B) Asia. 11. Your heart pumps oxygenated blood around your whole body. A) True. B) False. Show Answer Correct Answer: A) True. 12. The part of the blood responsible for clotting is the ..... A) Plasma. B) White blood cells. C) Platelets. D) Red blood cells. Show Answer Correct Answer: C) Platelets. 13. Vascular disease affecting blood vessels outside of the heart and especially those vessels supplying the extremities A) Peripheral vascular disease. B) Peripheral artery disease. C) Pulmonary vascular disease. D) Coronary Artery disease. Show Answer Correct Answer: A) Peripheral vascular disease. 14. What is the main function of platelets? A) Delivering oxygen to the body's organs. B) Fighting invading germs. C) Helping your blood clot. D) Preventing your blood form coagulating (clotting). Show Answer Correct Answer: C) Helping your blood clot. 15. A rise in blood pressure above 140/90 mm is known as ..... A) Hypertension. B) Hypotension. Show Answer Correct Answer: A) Hypertension. 16. The pulmonary archery carries deoxygenated blood from the right ventrical to the? A) Heart. B) Lungs. Show Answer Correct Answer: B) Lungs. 17. How much blood is in the human body A) 1.5 Gallons. B) 2 Gallons. C) 50 Gallons. D) 2.1 Gallons. Show Answer Correct Answer: A) 1.5 Gallons. 18. Carry the action potentials from the bundle branches to the ventricular walls causing the heart to contract A) Purkinje fibers. B) AV node. C) Because of the difference. D) Pulmonary semilunar valve. Show Answer Correct Answer: A) Purkinje fibers. 19. ..... It is innermost layer of heart A) Endocardium. B) Myocardium. C) Pericardium. D) Aorta. Show Answer Correct Answer: A) Endocardium. 20. ..... are responsable for blood clotting. A) Erythrocytes. B) Monocytes. C) Platelets. D) None of above. Show Answer Correct Answer: C) Platelets. ← 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