Circulatory System Gizmo ( all answers correct ) < DOWNLOAD TO SCORE A+>

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Student Exploration: Circulatory System Vocabulary​:​ artery, atrium, blood vessel, capillary, circulatory system, heart, platelet, pulmonary artery, pulmonary vein, red blood cell, urea, ventri... cle, vein, white blood cell Prior Knowledge Questions ​(Do these BEFORE using the Gizmo​.) 1. Why do you need blood?​ ​To regulate the blood flow and carries water and minerals. 0. What organ pushes blood through your body? ​The Heart Gizmo Warm-up The ​Circulatory System ​Gizmo™ shows the ​heart​ and ​blood vessels​ that make up the ​circulatory system​. Look at the heart. 1. How many chambers does the heart have? ​It has 4 chambers 2. Do you see tiny “doors” that open and close as blood is pumped through the heart? ​Yes These are ​valves​. Valves keep blood from flowing backward in the heart and blood vessels. 0. Turn on ​Show labels​. What are the names of the chambers? ​ ​Right atrium, left atrium, right ventricle, left ventricle 1. Click ​PLAY​ and listen for the two parts of the heartbeat, nicknamed “lub” and “dub.” (Note: The recording is not in sync with the heart animation.) Observe the heart. A. Which chambers contract during “lub”? ​Right atrium, and left Atrium A. Which chambers contract during “dub”? ​Right ventricle, left ventricle [Show More]

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