This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 50 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 50 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When testing blood type, if a person's blood is dripped with anti-A and clots occur (penggumpalan), if someone is dropped with anti-B there are also clots (penggumpalan), then that person's blood type is A) A. B) B. C) AB. D) O. Show Answer Correct Answer: C) AB. 2. The blood cannot transport ..... A) Regulating molecules. B) Ions. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: D) Nucleic acids. 3. How many chambers are there in our heart? A) 6. B) 2. C) 8. D) 4. Show Answer Correct Answer: D) 4. 4. When they reach the stomach, mashed-up food particles mix with: A) Mucus. B) Gastric Juices. C) Water. D) None of above. Show Answer Correct Answer: B) Gastric Juices. 5. The blood vessels that carry blood away from the heart are the ..... A) Arteries. B) Veins. C) Venules. D) Capillaries. Show Answer Correct Answer: A) Arteries. 6. Which side of the heart has the oxygenated blood? A) Left. B) Right. C) Both. D) Top. Show Answer Correct Answer: A) Left. 7. What does the blood do? A) Blood transports substances (oxygen, carbon dioxide, nutrients, hormones, and waste products). B) Blood fights infection and helps heal wounds. C) Blood helps regulate body temperature. D) All of the above. Show Answer Correct Answer: D) All of the above. 8. The heart is about the size of your ..... A) Foot. B) Brain. C) Ear. D) Fist. Show Answer Correct Answer: D) Fist. 9. What is the purpose of blood circulatory system in vertebrates? A) Digest nutrients. B) Transmit sensations. C) Transport essential substances and waste products. D) Produce carbohydrates. Show Answer Correct Answer: C) Transport essential substances and waste products. 10. What occurs when the heart muscles relax? A) Blood flows into the heart. B) Blood is pushed out to the arteries. C) Blood passes through the lungs. D) Blood picks up oxygen in exchange for CO2. Show Answer Correct Answer: A) Blood flows into the heart. 11. Platelets are..... A) Tiny cell pieces that helps the blood clot. B) The different kinds of blood types. C) The protein in plasma that helps fight disease. D) Red blood cells that carry oxygen to the cells. Show Answer Correct Answer: A) Tiny cell pieces that helps the blood clot. 12. T/F-Veins have valves that open in two directions, preventing blood from flowing back in the other direction. A) True. B) False. Show Answer Correct Answer: B) False. 13. A grouping of two or more types of tissue that performs a specific function that contributes to the larger purpose A) Organ. B) Organ System. C) Organelle. D) Organ in an attic that is super sweet. Show Answer Correct Answer: A) Organ. 14. The heart is located in the ..... A) Abdominal Cavity. B) Pelvic Cavity. C) Spinal Cavity. D) Thoracic Cavity. Show Answer Correct Answer: D) Thoracic Cavity. 15. Which malfunction of the respiratory system pertains to the permanent damage of the walls of the alveoli? A) Ashtma. B) Bronchitis. C) Emphysema. D) Pneumonia. Show Answer Correct Answer: C) Emphysema. 16. Identify the major blood vessel that transports oxygen to the heart. A) Pulmonary Vein. B) Pulmonary Artery. C) Aorta. D) Vena Cava. Show Answer Correct Answer: A) Pulmonary Vein. 17. The cells found in human blood that carries oxygen(hemoglobin) and has a disk-shaped or biconcave. A) Platelets. B) Leucocytes. C) Erythrocytes. D) None of the above. Show Answer Correct Answer: C) Erythrocytes. 18. The part of the heart that receives blood from the lungs. A) Left Atrium. B) Aorta. C) Right Ventricle. D) Left Ventricle. Show Answer Correct Answer: A) Left Atrium. 19. Which blood type is known as universal donor? A) A. B) B. C) AB. D) O. E) All of these. Show Answer Correct Answer: D) O. 20. 55% of our blood is plasma and 45% of our blood is ..... A) Red Blood Cells. B) White Blood Cells. C) Water. D) Formed Elements. Show Answer Correct Answer: D) Formed Elements. ← 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