What is the main organ responsible for pumping blood in the circulatory system?, Lungs, Heart, What are the microscopic blood vessels where oxygen and nutrients are exchanged with tissues?, Capillaries, Large Arteries, Which heart chamber pumps oxygenated blood to the entire body via the aorta?, Left Ventricle, Right Atrium, What is the protein inside red blood cells that binds to oxygen?, Hemoglobin, Fibrin, What is the liquid component of blood that makes up more than half its volume?, Plasma, Lymph fluid, What is the main and largest artery in the human body originating directly from the heart?, Aorta, Coronary Artery, Which blood vessels contain valves to prevent the backward flow of blood?, Veins, Arteries, What is the circulation that carries blood between the heart and lungs to get oxygenated?, Pulmonary Circulation, Systemic Circulation

CARDIOVESCULAR SYSTEM

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