This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 237 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 237 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which parts control the flow of blood from the atrium to the ventricle? A) Arteries. B) Veins. C) Valves. D) Capillaries. Show Answer Correct Answer: C) Valves. 2. True or False:Blood clotting in wounds (like a scrape) is beneficial to the body. A) True. B) False. Show Answer Correct Answer: A) True. 3. Why does the heart rate of a person increase when he/she exercises? A) To provide more carbon dioxide for respiration. B) To provide more blood for photosynthesis. C) To provide more oxygen and glucose to the cells to generate energy. D) To provide more nutrients to the vena cava. Show Answer Correct Answer: C) To provide more oxygen and glucose to the cells to generate energy. 4. In which list do all three blood vessels carry oxygenated blood? A) A aorta, pulmonary artery, renal artery. B) B aorta, pulmonary vein, renal artery. C) C vena cava, pulmonary artery, renal vein. D) D vena cava, pulmonary vein, renal vein. Show Answer Correct Answer: B) B aorta, pulmonary vein, renal artery. 5. DO THE VENA CAVA BRINGS DEOXYGENATED OR OXYGENATED BLOOD BACK TO HEART? A) OXYGENATED. B) DEOXYGENATED. Show Answer Correct Answer: B) DEOXYGENATED. 6. What gives blood its color? A) Red blood cells. B) White blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: A) Red blood cells. 7. Which layer of the heart receive oxygenated blood? A) Left atrium. B) Left ventricle. C) Both a and b. D) None. Show Answer Correct Answer: C) Both a and b. 8. Which component of blood is responsible for fighting infections? A) Red blood cells. B) White blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: B) White blood cells. 9. How many heart chambers do we have? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 10. Carries oxygen to all parts of the body A) Red blood cells. B) White blood cells. C) Platelet. D) Plasma. Show Answer Correct Answer: A) Red blood cells. 11. Orrhagia A) Bleed. B) Discharge. C) Hemorrhage. D) Artery. Show Answer Correct Answer: C) Hemorrhage. 12. Which direction does the Diaphragm move to make you exhale (breathe out) A) Up. B) Down. C) Left. D) Right. Show Answer Correct Answer: A) Up. 13. Humans have a ..... circulatory system A) Open. B) Closed. Show Answer Correct Answer: B) Closed. 14. Positive blood can receive from who? A) Positive & Negative. B) Positive. C) Negative. D) None of above. Show Answer Correct Answer: A) Positive & Negative. 15. Hypertension A) The heart stops working. B) Blood pressure above 140/90. C) Inadequate blood supply because of low blood pressure. D) Build up of fat plaques on the wall of arteries. Show Answer Correct Answer: B) Blood pressure above 140/90. 16. Hardening of the arteries due to plaque is called ..... A) Arrhythmia. B) Liver damage. C) Atherosclerosis. D) High blood pressure. Show Answer Correct Answer: C) Atherosclerosis. 17. Liquid portion of the blood A) Leukocytes. B) Erythrocytes. C) Plasma. D) Thrombin. Show Answer Correct Answer: C) Plasma. 18. When blood back to our heart, blood passes on waste substances to same organs. These waste substances are eventually passed out from our body. When blood reaches our heart again, it is sent to the lungs where carbon dioxide is removed and water is taken in. A) True. B) False. Show Answer Correct Answer: B) False. 19. What is the name of the blood vessel that the blood goes back to the heart through? A) Veins. B) Blood vessels. C) Arteries. D) None of above. Show Answer Correct Answer: A) Veins. 20. In which vessels are materials exchanged between the blood and the body cells? A) Veins. B) Arteries. C) Capillaries. D) Lymphatic vessels. Show Answer Correct Answer: C) Capillaries. ← 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