This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 272 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 272 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Blood flows away from the heart through: A) Veins. B) Superior Vena Cava. C) Pulmonary Vein. D) Arteries. Show Answer Correct Answer: D) Arteries. 2. Are tubular passage ways of the blood A) Heart. B) Blood. C) Blood vessels. D) None of above. Show Answer Correct Answer: C) Blood vessels. 3. What is the name of the muscle below the lungs that helps with breathing? A) Trachea. B) Alveoli. C) Diaphragm. D) Bronchi. Show Answer Correct Answer: C) Diaphragm. 4. ) WBC is colorless and contains hemoglobin2.) regularly shaped and has no nucleus A) Both statements are true. B) Both statements are false. C) 1st statement is true, 2nd statement is false. D) 1st statement is false, 2nd statement is true. Show Answer Correct Answer: B) Both statements are false. 5. What happens during a stroke? A) The heart stops beating due to a problem in the electrical system. B) The heart muscle is damaged due to lack of oxygen. C) A part of the brain loses blood supply, leading to the death of brain cells. D) The heart beats irregularly due to a clogged artery. Show Answer Correct Answer: C) A part of the brain loses blood supply, leading to the death of brain cells. 6. Loose, protective membrane surrounding the heart A) Pericardial fluid. B) Pericardium. C) Myocardium. D) Epicardium. Show Answer Correct Answer: B) Pericardium. 7. Exchanges between blood and tissue cells occur in capillary beds. A) True. B) False. Show Answer Correct Answer: A) True. 8. The horse has what type of circulatory system? A) Single. B) Double. Show Answer Correct Answer: B) Double. 9. The large vein that carries deoxygenated blood into the heart from the upper body is the A) Aorta. B) Inferior vena cava. C) Renal vein. D) Superior vena cava. Show Answer Correct Answer: D) Superior vena cava. 10. Which of the following is a difference between cardiac muscle and skeletal muscle? A) Unlike skeletal muscle cells, cardiac muscle cells do not rely on an influx of calcium ions for depolarization. B) Unlike skeletal muscle, cardiac muscle is not striated. C) Unlike skeletal muscle, cardiac muscle does not use a sliding filament mechanism for contraction. D) Unlike skeletal muscle cells, cardiac muscle cells can be autorhythmic. Show Answer Correct Answer: D) Unlike skeletal muscle cells, cardiac muscle cells can be autorhythmic. 11. This system is known as the framework of the body. A) Muscular system. B) Integumentary system. C) Musculoskeletal system. D) Skeletal system. Show Answer Correct Answer: D) Skeletal system. 12. According to the image, what does oxygen bond with in red blood cells? A) Plasma. B) Platelets. C) Hemoglobin molecules. D) White blood cells. Show Answer Correct Answer: C) Hemoglobin molecules. 13. When the blood leaves the lungs it is full of ..... As the blood passes through the heart, and out through the ....., it is delivering oxygen to the cells throughout the body. Once the oxygen is delivered, the blood begins to pick up ..... In order for the blood to get back to the heart and lungs, it has to travel through the ..... A) Oxygen, arteries, carbon dioxide, veins. B) Carbon dioxide, veins, oxygen, arteries. Show Answer Correct Answer: A) Oxygen, arteries, carbon dioxide, veins. 14. Plasma is made mostly of this A) Blood. B) Cells. C) Platelets. D) Water. Show Answer Correct Answer: D) Water. 15. Name the part! This part gets pulled down and creates a vacuum allowing us to breathe ..... What am I? A) Lungs. B) Diaphragm. C) Pharynx. D) Larynx. Show Answer Correct Answer: B) Diaphragm. 16. When you exhale, the diaphragm A) Moves upwards. B) Moves downwards. C) Flattens. D) None of the above. Show Answer Correct Answer: A) Moves upwards. 17. What is the proper name for red blood cells? A) Leukocytes. B) Erythrocytes. C) Haemoglobin. D) Basophil. Show Answer Correct Answer: B) Erythrocytes. 18. This element of blood's job is to transport dissolved food and blood cells A) Plasma. B) Red blood cells. C) White blood cells. D) Platelets. Show Answer Correct Answer: A) Plasma. 19. -are only cell thick. A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 20. What is the function of a leukocyte? A) Carry oxygen. B) Fight infection. C) Make red blood cells. D) Form blood clots. Show Answer Correct Answer: B) Fight infection. ← 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