This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 307 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 307 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the capital of China? A) Berlin. B) Beijing. C) Moscow. D) Yangtze. Show Answer Correct Answer: B) Beijing. 2. Which organelle takes in "sun showers" and helps plants with the process or photosynthesis? A) Vacuoles. B) Mitochondria. C) Cytoplasm. D) Chloroplast. Show Answer Correct Answer: D) Chloroplast. 3. What do the valves do in the heart? A) Prevent clot formation. B) Prevent backflow of blood. C) Pump the blood. D) Form blood cells. Show Answer Correct Answer: B) Prevent backflow of blood. 4. Arteries can carry blood from the heart to the ..... A) Lungs only. B) Arms only. C) Kidney only. D) All body parts. Show Answer Correct Answer: D) All body parts. 5. Which of the following "cause and effect" statements are true? A) An arrhythmia causes an aneurysm. B) Arteriosclerosis causes hypertension. C) Leukemia causes phlebitis. D) Varicose veins cause aneurysms. Show Answer Correct Answer: B) Arteriosclerosis causes hypertension. 6. What gas is released into the air during cellular respiration? A) Oxygen. B) Carbon dioxide. C) Water. D) Glucose. Show Answer Correct Answer: B) Carbon dioxide. 7. Why is it called the circulatory system? A) Because the heart is round like a circle. B) Because it transports blood specifically around our circular heads. C) It circulates waste throughout our bodies until it leaves as digested food. D) Because it circulates blood and O2 throughout the body. Show Answer Correct Answer: D) Because it circulates blood and O2 throughout the body. 8. Which organ stores and releases bile? A) Liver. B) Gallbladder. C) Pancreas. D) None of above. Show Answer Correct Answer: B) Gallbladder. 9. Which is not an organ of the Lymphatic system? A) Spleen. B) Thymus. C) Tonsils. D) Liver. Show Answer Correct Answer: D) Liver. 10. What is the spinal cord's function? A) To relay commands from the brain to different parts of the body. B) To relay sensory information from the body to the brain. C) Both A and B. D) Neither A or B. Show Answer Correct Answer: C) Both A and B. 11. If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence? A) Serum globulins. B) Fibrinogin in plasma. C) Serum albumins. D) Haemocytes. Show Answer Correct Answer: A) Serum globulins. 12. A person will die if they have the heart rhythm ..... A) Ventricular tachycardia. B) Normal sinus rythm. C) Bradycardia. D) Tachycardia. Show Answer Correct Answer: A) Ventricular tachycardia. 13. A part of food used by the body to grow and survive. A) Calorie. B) Energy. C) Nutrient. D) Saliva. Show Answer Correct Answer: C) Nutrient. 14. These blood vessels carry oxygenated blood away from the heart. A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 15. Choose the correct flow of blood in the pulmonary circulation A) Inferior Vena cava-RA-RV-Pulmonary Artery-Capillaries. B) Pulmonary veins-LA-LV-Dorsal Aorta. C) Inferior Vena cava-LA-LV-Pulmonary Artery-Capillaries. D) None of above. Show Answer Correct Answer: A) Inferior Vena cava-RA-RV-Pulmonary Artery-Capillaries. 16. Rubbery tubes that carry blood from place to place A) Blood vessels. B) Blood pathogens. C) Blood blisters. D) Muscles. Show Answer Correct Answer: A) Blood vessels. 17. Which of the following body systems works directly with the respiratory system and digestive system to transport nutrients and oxygen throughout the body? A) Circulatory. B) Skeletal. C) Outgrowths. D) None of above. Show Answer Correct Answer: A) Circulatory. 18. Where does blood travel from the lungs? A) Left atrium. B) Right atrium. C) Left ventricle. D) Right ventricle. Show Answer Correct Answer: A) Left atrium. 19. Diffusion of gases occurs between capillaries and which of the following structures? A) Nasal cavity. B) Alveoli. C) Bronchi. D) Bronchioles. Show Answer Correct Answer: B) Alveoli. 20. Which kind of blood would be in the aorta? A) Oxygenated. B) Deoxygenated. Show Answer Correct Answer: A) Oxygenated. ← 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