1) What type of muscle is your heart? a) cardiac b) skeletal c) smooth 2) Your heart is protected by a) my ribs and vertebrae and sternum b) my vertebrae c) my skull 3) What makes sure your blood doesn't flow backwards inside your heart? a) my septum in my heart b) the valves in my heart c) the arteries in my heart 4) How many rooms are in your heart? a) 2 b) 3 c) 4 d) 5 5) The rooms in your heart that pump blood are your a) ventricles b) atrium c) septum 6) Carbon dioxide (CO2) rich blood enters your heart in the a) left ventricle b) right ventricle c) left atrium d) right atrium 7) Oxygen-rich (O2) blood from your lungs enters your heart through the  a) left ventricle b) right ventricle c) left atrium d) right atrium 8) What is the name of the muscle that separates your right and left side of your heart? a) septum b) aorta c) ventricle d) atrium 9) Which room in your heart pumps oxygen-rich (O2) blood out to the rest of your body? a) right ventricle b) right atrium c) left ventricle d) left atrium 10) Which organs are on either side of your heart? a) My kidneys b) My bladders c) My lungs 11) Just like your stomach, no part of your skeleton protects your heart. a) False b) True 12) Which rooms in your heart only have oxygen-rich (O2) blood flowing through them? a) my right atrium and right ventricle b) my left ventricle and my right ventricle c) my left atrium and left ventricle 13) Your heart needs daily exercise, just like your muscles and bones. a) True b) False 14) Your widest artery comes right out of your heart it is the a) vena cava b) aorta c) carotid artery 15) When you listened to the Lub-dub sound of your heart, that was a) the opening and closing of my ventricles b) the opening and closing of my atrium c) the opening and closing of the valves in my heart 16) What are the two upper parts of your heart called? a) atrium b) septum c) ventricle 17) What are the lower parts of your heart called? a) atrium b) septum c) ventricle 18) The right side of your heart pumps to your a) lungs b) body 19) You can control your heart because it is a voluntary muscle. a) True b) False

Human Heart

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