How many chambers does the human heart have?, 3, 4, 2, 5, What are the upper chambers of the heart called?, Arteries, Valves, Ventricles, Atria, What are the lower chambers of the heart called?, Capillaries, Atria, Ventricles, Valves, Which side of the heart pumps blood to the lungs?, Right side, Left side, Bottom side, Top side, Which side of the heart pumps blood around the body?, Left side, Right side, Front side, Back side, Why is the wall of the left ventricle thicker than the right ventricle?, It pumps blood to the lungs, It pumps blood around the whole body, It carries less blood, It contains valves, What is the job of the valves in the heart?, Carry oxygen, Pump blood, Stop blood flowing backwards, Make blood cells, What carries blood away from the heart?, Valve, Capillary, Ventricle, Arteries, What does the pacemaker do?, Carries oxygen, Makes blood cells, Controls the heart rate, Cleans the blood, The heart is known as a double pump because it pumps blood to:, The lungs and the rest of the body, The brain and liver, The arms and legs, The stomach and kidneys

Heart Structure and Function

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