This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 78 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 78 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An animal that hunts other animals for food is a ..... A) Omnivore. B) Herbivore. C) Predator. D) Prey. Show Answer Correct Answer: C) Predator. 2. The liquid portion of the blood that is straw colored is called: A) Lymph. B) Globulin. C) Plasma. D) Albumin. Show Answer Correct Answer: C) Plasma. 3. An element that makes up about 21% of Earth's atmosphere; a gas in Earth's atmosphere and in water that living organisms breathe. A) Hydrogen. B) Carbon dioxide. C) Oxygen. D) Blood. Show Answer Correct Answer: C) Oxygen. 4. Vena cavea carry the blood containing oxygen from the body to the heart A) False. B) True. Show Answer Correct Answer: A) False. 5. All of the following occur when the ventricles contract except A) Blood from the pulmonary trunk enters the atria. B) The AV valves close. C) The semilunar valves open. D) Blood is ejected into the aorta. Show Answer Correct Answer: A) Blood from the pulmonary trunk enters the atria. 6. What special protein molecule do red blood cells use to carry oxygen? A) Haemoglobin. B) Insulin. C) Antibodies. D) Plasma. Show Answer Correct Answer: A) Haemoglobin. 7. Contain valves to prevent backflow of blood: A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Veins. 8. This type of blood vessel carries poor blood back to the heart ..... A) Veins. B) Capillaries. C) Arteries. D) None of above. Show Answer Correct Answer: A) Veins. 9. What happens in the heart during diastole? A) Ventricles contract and push blood into the pulmonary arteries. B) Ventricles contract and push blood into the atria. C) An individual will experience hypertension. D) Atria contract and push blood into the ventricles. Show Answer Correct Answer: D) Atria contract and push blood into the ventricles. 10. What is the primary function of this body system? A) The chemical breakdown of food into smaller pieces. B) The transport of nutrients, water, and oxygen to body cells. C) The production of hormones that regulate growth and metabolism. D) The protection of vital organs from injury. Show Answer Correct Answer: B) The transport of nutrients, water, and oxygen to body cells. 11. True or False:Blood is always RED, never BLUE. A) False. B) True. Show Answer Correct Answer: B) True. 12. Atherosclerosis is caused by A) A buildup of sodium in the arteries. B) A buildup of protein in the arteries. C) A buildup of calcium in the arteries. D) A buildup of fat in the arteries. Show Answer Correct Answer: D) A buildup of fat in the arteries. 13. This chamber of the heart RECEIVES blood returning from the body A) Right Ventricle. B) Left Ventricle. C) Right Atrium. D) Left Atrium. Show Answer Correct Answer: C) Right Atrium. 14. A blood pressure above 140/90 mmHg is ..... A) Hypotension. B) Normal. C) Hypertension. D) None of the above. Show Answer Correct Answer: C) Hypertension. 15. Exchange materials with cells A) Septum. B) Capillaries. C) Veins. D) Arteries. Show Answer Correct Answer: B) Capillaries. 16. Which part of the blood makes up 55% of it? A) Plasma. B) White blood cells. C) Red blood cells. D) Platelets. Show Answer Correct Answer: A) Plasma. 17. Blood cells that fight against germs A) Platelets. B) WBC. C) Haemoglobin. D) None of above. Show Answer Correct Answer: B) WBC. 18. In the ....., pulmonary arteries carry oxygen-poor blood to lungs and pulmonary veins return oxygenated blood to the heart. A) Pulmonary circuit. B) Lungs. C) Circuit. D) None of above. Show Answer Correct Answer: A) Pulmonary circuit. 19. Maxwell has lost a lot of blood and needs a transfusion. Doctors at the hospital have identified that he has A-blood type, which means he also has B and Rh antibodies in his plasma. Select the blood types he can safely receive? A) B-. B) O+. C) O-. D) A+. Show Answer Correct Answer: C) O-. 20. In what type of blood vessel does oxygen and carbon dioxide exchange take place? A) Capillary. B) Artery. C) Vein. D) Arteriole. Show Answer Correct Answer: A) Capillary. 21. In measuring blood pressure as well sphygmomanometer and got a value of 110/70. What is the number 110? A) Blood pressure in the veins. B) Blood pressure while the heart relaxes. C) Blood pressure that is diastolic pressure. D) Blood pressure when the heart contracts. Show Answer Correct Answer: D) Blood pressure when the heart contracts. 22. What is the atrium? A) The upper chamber on each side of the heart. B) The lower chamber on each side of the heart. C) How we think. D) Where humans breathe. Show Answer Correct Answer: A) The upper chamber on each side of the heart. 23. It pumps blood throughout the body by way of involuntary contractions of the cardiac muscle. A) Blood. B) Lungs. C) Blood vessel. D) Heart. Show Answer Correct Answer: D) Heart. 24. Abiotic means non-living, which abiotic factor was affecting the ecosystem in the video? A) Minerals. B) Temperature. C) Sun. D) Rain. Show Answer Correct Answer: D) Rain. 25. Larynx is also known as ..... A) Voice box. B) Nose. C) Windpipe. D) Throat. Show Answer Correct Answer: A) Voice box. 26. What happens to your heart rate as you go from walking to running? A) It speeds up. B) It stays the same. C) It slows down. D) It skips a beat. Show Answer Correct Answer: A) It speeds up. 27. What is a blood clot on the skin called? A) Platelets. B) Red. C) Veins. D) White. E) Scab. Show Answer Correct Answer: E) Scab. 28. The pericardium around the heart is responsible for A) Opening and closing the heart valves. B) Creating the heart beat. C) Reducing friction around the heart. D) Bringing oxygen in from the lungs. Show Answer Correct Answer: C) Reducing friction around the heart. 29. The right side of the heart receives what from the body cells? A) Oxygenated blood. B) Proteins. C) Deoxygenated blood. D) Nutrients. Show Answer Correct Answer: C) Deoxygenated blood. 30. The process of formation of RBCs is called A) Phagocytosis. B) Flattening. C) Haemolysis. D) Erythropoiesis. Show Answer Correct Answer: D) Erythropoiesis. 31. The heart has four chambers and these are A) Two atria and two ventricles. B) One atrium and three ventricles. C) Three atria and one ventricle. D) Two ventricles and two valves. Show Answer Correct Answer: A) Two atria and two ventricles. 32. Why are water molecules able to enter the egg but NOT the sugar molecules? A) Sugar molecules are too heavy. B) The holes of the semi-permeable membrane were too small to let sugar molecules through. C) Semi-permeable membranes need energy. D) Semi-permeable membranes must be under pressure to work. Show Answer Correct Answer: B) The holes of the semi-permeable membrane were too small to let sugar molecules through. 33. Which organ contains 4 chambers and helps pump blood around the body? A) Heart. B) Lungs. Show Answer Correct Answer: A) Heart. 34. Whales heart beats ..... per minute A) 10 times. B) 3 times. C) 100 times. D) 5 times. Show Answer Correct Answer: D) 5 times. 35. Force the blood away from the heart with sufficient power to push the blood all the way back to the heart, includes left and right ventricle A) Superior vena cava. B) Four pulmonary veins. C) Ventricles. D) Inferior vena cava. Show Answer Correct Answer: C) Ventricles. 36. What type of tissue in the heart pumps blood throughout the body? A) Connective tissue. B) Fatty tissue. C) Muscle tissue. D) Nervous tissue. Show Answer Correct Answer: C) Muscle tissue. 37. After blood goes through the capillary bed in the systemic circulation loop, it enters into this vessel: A) Arteriole. B) Vein. C) Artery. D) Venule. Show Answer Correct Answer: D) Venule. 38. Needed substances are carried to the body cells by? A) Food. B) Enzymes. C) Water. D) Blood. Show Answer Correct Answer: D) Blood. 39. Occurs when the arteries which supply blood to the heart muscle become hardened and narrowed as a result of atherosclerosis A) Arteriosclerosis. B) Stroke. C) Plaque. D) Coronary artery disease. Show Answer Correct Answer: D) Coronary artery disease. 40. Blood is pumped from the left ventricle into ..... that lead to all parts of the body. A) Valves. B) Atria. C) Veins. D) Arteries. Show Answer Correct Answer: D) Arteries. 41. Most digestion takes place in this organ. It is really long. A) Small intestines. B) Large intestines. C) Esophagus. D) Pancreas. Show Answer Correct Answer: A) Small intestines. 42. Your blood type is the same as the type of ..... you have on the surface of your red blood cell A) Antibody. B) Antigen. Show Answer Correct Answer: B) Antigen. 43. This helps protect from harmful microorganisms that enter the mouth? A) Spleen. B) Arteries. C) Veins. D) Tonsils. Show Answer Correct Answer: D) Tonsils. 44. Human circulatory system is made up of which things? A) Heart, blood vessels and blood. B) Heart. C) Blood vessels. D) Blood. Show Answer Correct Answer: A) Heart, blood vessels and blood. 45. Which is NOT a main blood type? A) B. B) C. C) O. D) A. Show Answer Correct Answer: B) C. 46. What are the "tiny doors" between chambers in the heart called? A) Passageways. B) Manholes. C) Flaps. D) Valves. Show Answer Correct Answer: D) Valves. 47. Which side of the heart collects blood from the body and pumps it to the lungs A) Left Side. B) Right Side. Show Answer Correct Answer: B) Right Side. 48. Which condition is a build up of fatty plaques on the wall of an artery? A) Anemia. B) Atherosclerosis. C) Aneurysm. D) Arteriosclerosis. Show Answer Correct Answer: B) Atherosclerosis. 49. Flow of blood from the heart to the lungs and back to the heart A) Systemic circulation. B) Pulmonary circulation. C) Coronary circulation. D) Cardiovascular system. Show Answer Correct Answer: B) Pulmonary circulation. 50. The measurement of force exerted on the wall of the arteries when the heart contracts is A) Systolic pressure. B) Diastolic pressure. C) Pulse pressure. D) None of above. Show Answer Correct Answer: A) Systolic pressure. 51. The membrane present around the heart is called as A) Pericardium. B) Myalien sheath. C) Endoderm. D) Meninges. Show Answer Correct Answer: A) Pericardium. 52. This organ pumps blood through your body. A) Heart. B) Capillaries. C) Vein. D) Artery. Show Answer Correct Answer: A) Heart. 53. Your heart is about the size of your (a) A) A fist. B) Head. C) Lungs. D) Foot. Show Answer Correct Answer: A) A fist. 54. Oxygen moves from the lungs into the bloodstream through: A) Small blood vessels in lungs. B) Nerve fibers. C) Aorta. D) Jugular vein. Show Answer Correct Answer: A) Small blood vessels in lungs. 55. What is the part of the circularory system that drives force? A) Nose. B) Lungs. C) Heart. D) Hands. Show Answer Correct Answer: C) Heart. 56. How does blood flow through the heart? A) Right atrium, right ventricle, pulmonary artery, lungs, pulmonary veins, left atrium, left ventricle, aorta. B) Blood flows through the heart in a circular motion. C) Blood flows through the heart in the opposite direction. D) Blood flows through the heart in a random pattern. Show Answer Correct Answer: A) Right atrium, right ventricle, pulmonary artery, lungs, pulmonary veins, left atrium, left ventricle, aorta. 57. These defend the body against invaders. Also known as leukocytes. A) Red blood cells. B) Viscosity. C) Platelets. D) White blood cells. Show Answer Correct Answer: D) White blood cells. 58. If the blood clots in anti-A, anti-B, and anti-AB, then the blood belongs to the blood type..... A) A. B) B. C) O. D) AB. Show Answer Correct Answer: D) AB. 59. A component of blood responsible for fighting off infections. A) WBC. B) Platelets. C) RBC. D) Plasma. Show Answer Correct Answer: A) WBC. 60. How Much Percent Does Nitrogen Make Up Of In The Air? A) 90%. B) 78%. C) 21%. D) 87%. Show Answer Correct Answer: B) 78%. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesCirculatory System Quiz 1Circulatory System Quiz 2Circulatory System Quiz 3Circulatory System Quiz 4Circulatory System Quiz 5Circulatory System Quiz 6Circulatory System Quiz 7Circulatory System Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books