This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 480 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 480 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which heart valve allows blood flow from the right atrium into the right ventricle A) Pulmonary valve. B) Aortic Valve. C) Tricuspid valve. D) Bicuspid valve. Show Answer Correct Answer: C) Tricuspid valve. 2. What is the fuel used in a steam engine? A) Water. B) Coal. C) Petrol. D) Natural gas. Show Answer Correct Answer: A) Water. 3. If your blood type is Rh + (such as A+) then you have ..... on your red blood cells. A) Antibodies. B) Rh antigens. C) No Rh antigens. D) Multiple alleles. Show Answer Correct Answer: B) Rh antigens. 4. Red blood cells in baby are made in ..... A) Bone marrows. B) The tips of bones. C) Skull. D) Backbone. Show Answer Correct Answer: A) Bone marrows. 5. The tubes that bring back our blood from all over our body to heart called ..... A) Artery. B) Vein. C) Hoses. D) Capillaries. Show Answer Correct Answer: B) Vein. 6. If a red blood cell has no antigens on its surface, what is its blood type? A) A. B) B. C) AB. D) O. Show Answer Correct Answer: D) O. 7. Exchange of gases in the body cells occurs in the bronchioles. A) TRUE. B) FALSE. Show Answer Correct Answer: B) FALSE. 8. Which one is the BEST definition of the word adaptation? A) A behavior that helps a living thing survive. B) Body part or behavior that helps a living thing survive. C) A body part that helps a living thing survive. D) A feature that helps a plant survive. Show Answer Correct Answer: B) Body part or behavior that helps a living thing survive. 9. Heart (left ventricle) $\rightarrow$ all body tissues $\rightarrow$ heart (right atrium) A) Large blood circulation. B) Little blood circulation. Show Answer Correct Answer: A) Large blood circulation. 10. Blood in capillary beds flows from A) Arteries to veins. B) Veins to arteries. Show Answer Correct Answer: A) Arteries to veins. 11. The main purpose of the respiratory system is to helps us breathe. A) True. B) False. Show Answer Correct Answer: A) True. 12. All veins carry deoxygenated blood A) True. B) False. Show Answer Correct Answer: B) False. 13. During a biology class, Samuel, Noah, and Avery were discussing the human body. They were curious to know where the circulatory system and digestive system meet. Can you help them? A) Stomach. B) Liver. C) Small intestine. D) Large intestine. Show Answer Correct Answer: C) Small intestine. 14. Heart attacks most commonly occur when one or more of the coronary arteries-the blood vessels that supply blood to the heart-become blocked. A) True. B) False. Show Answer Correct Answer: A) True. 15. Carries messages from one part of the body to another using electrical signals. A) Brain. B) Spinal Cord. C) Neurons. D) None of above. Show Answer Correct Answer: C) Neurons. 16. When an organism's internal environment is kept stable in spite of changes in the environment is known as ..... A) Digestion. B) Circulation. C) Urination. D) Homeostasis. Show Answer Correct Answer: D) Homeostasis. 17. Transport oxygen and carbondioxide A) Plasma. B) Red blood cell. C) White blood cell. D) Platelet. Show Answer Correct Answer: B) Red blood cell. 18. The 2 lower chambers of the heart are called? A) Atria. B) Ventricles. C) Valves. D) Capillaries. Show Answer Correct Answer: B) Ventricles. 19. Which of the following chambers of heart have the thickest wall? A) Right Auricle. B) Left Auricle. C) Right ventricle. D) Left Ventricle. Show Answer Correct Answer: D) Left Ventricle. 20. What is the average life span of an erythrocyte? A) 10 days. B) 12 days. C) 120 days. D) 8000 days. Show Answer Correct Answer: C) 120 days. ← 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