1) What is the role of the heart? a) Transports blood. b) Transports materials needed by cells. c) Pumps blood around the body. d) None of the above. 2) The heart is involved in _____________ types of blood circulation. a) 1 b) 2 c) 3 d) 4 3) The heart heart is located in the ______________________ cavity. a) oral b) thoracic c) abdominal d) pelvic 4) The double-layered membrane which surrounds the heart is called a) myocardium b) cardiac muscle c) cell membrane d) pericardium 5) Pulmonary circulation involves the heart and which other main organ? a) Lungs b) Brain c) Kidneys d) Liver 6) ___________________________ blood is pumped from the left side of the heart to the rest of the body. a) Oxygenated b) Deoxygenated 7) __________________________ blood enters the right atrium from the _______________________________.  a) Oxygenated; vena cava b) Deoxygenated; pulmonary veins c) Oxygenated; vena cava d) Oxygenated; aorta 8) ___________________________ blood enters the left side of the heart through the ____________________________. a) Oxygenated, pulmonary vein b) Deoxygenated, pulmonary veins c) Oxygenated, aorta d) Oxygenated, pulmonary artery 9) The average size of your heart is the size of your ________________________. a) sole b) fist c) head d) chest 10) _____________________ beats is done on average by the heart per day. a) 10,000 b) 100 c) 1000,000 d) 100,000 11) ____________ litres of blood is pumped on average per minute. a) 10 b) 5 c) 1 d) 20 12) The upper left chamber of the heart is called the _________________________. a) right atrium b) left ventricle c) right ventricle d) left atrium 13) The bottom right chamber of the heart is called the __________________. a) left ventricle b) right ventricle c) left atrium d) right atrium 14) The left and right side of the heart is separated by the a) septum b) pericardium c) aorta d) vena cava 15) The blood vessels which supply the cardiac muscle or myocardium with oxygenated blood are the _________________. a) vena cava b) pulmonary artery c) cardiac veins d) coronary arteries 16) The AV valves are the a) aortic and pulmonary valves. b) aortic and mitral valves. c) pulmonary and tricuspid valves. d) bicuspid and tricuspid valves. 17) The semilunar valves are the a) aortic and pulmonary. b) pulmonary and bicuspid. c) aortic and tricuspid. d) tricuspid and mitral. 18) The backward flow of blood in the chambers of the heart is prevented by   a) tendons b) valves c) veins d) arteries 19) The main artery which carries oxygenated blood is the a) pulmonary b) coronary c) renal d) aorta 20) The main vein which transports deoxygenated blood is the a) vena cava b) pulmonary c) hepatic d) cardiac

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