1) What type of muscle is your heart? 你的心脏是什么类别的肌肉？ a) cardiac muscle 心肌 b) skeletal muscle骨骼肌 c) smooth muscle 平滑肌 2) Which type of muscles are inside your arteries and veins? 你的静脉和动脉里面是什么肌肉？ a) cardiac b) skeletal c) smooth 3) My heart is protected by a) my ribs and vertebrae 肋骨和椎骨 b) my vertebrae 椎骨 c) my skull 头骨 4) What makes sure your blood doesn't flow backwards inside your heart? a) my septum in my heart 隔膜 b) the valves in my heart 瓣膜 c) the arteries in my heart 动脉 5) The blood vessels that pump blood away from your heart are your a) capillaries 毛细血管 b) arteries 动脉 c) veins 静脉 6) How many rooms are in your heart? a) 2 b) 3 c) 4 d) 5 7) The rooms in your heart that pump blood are your a) ventricles 心室 b) atrium  心房 c) septum 隔膜 8) Which organs are on either side of your heart? a) My kidneys b) My bladders c) My lungs 9) This type of blood vessel is only 1 cell wide and connects to all of your body cells and small veins and small arteries. a) arteries b) veins c) capillaries 10) This type of blood vessel brings CO2-rich blood to the heart. a) arteries b) veins c) capillaries 11) All of your blood vessels are the same width. a) True b) False 12) Just like your stomach, no part of your skeleton protects your heart. a) False b) True 13) Your heart needs daily exercise, just like your muscles and bones. a) True b) False 14) 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

心脏和血管Human Heart and Blood Vessels

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