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gabriel
cardiovascular system
| Question | Answer |
|---|---|
| The double-walled sac that encloses and protects the heart. | Pericardium |
| The superior chambers of the heart that act as receiving rooms for blood. | Atria |
| The inferior, muscular chambers of the heart responsible for pumping blood out. | Ventricles |
| The thick wall of muscle that separates the right and left ventricles. | Interventricular Septum |
| The specific blood vessels that provide the heart muscle (myocardium) with its own oxygen supply. | Coronary Arteries |
| The largest artery in the body that carries oxygenated blood from the left ventricle. | Aorta |
| The vessel that carries deoxygenated blood from the right ventricle to the lungs. | Pulmonary Artery |
| The two large veins that return deoxygenated blood from the body to the right atrium. | Vena Cava (Superior and Inferior) |
| The only veins in the body that carry oxygenated blood. | Pulmonary Veins |
| The valve located between the right atrium and the right ventricle. | Tricuspid Valve |
| The valve located between the left atrium and the left ventricle. | Bicuspid (or Mitral) Valve |
| The "heart strings" that anchor AV valve cusps to the ventricle walls. | Chordae Tendineae |
| The valve located at the exit of the right ventricle. | Pulmonary Semilunar Valve |
| The valve located at the exit of the left ventricle. | Aortic Semilunar Valve |
| The inner-most layer of a blood vessel wall, made of smooth epithelial cells. | Tunica Intima (Endothelium) |
| The middle layer of a blood vessel containing smooth muscle and elastic fibers. | Tunica Media |
| Microscopic vessels with walls only one cell layer thick where gas exchange occurs. | Capillaries |
| Small valves found within these specific vessels to prevent the backflow of blood under low pressure. | Venous Valves (found in Veins) |
| Small, bean-shaped organs that filter lymph and house macrophages and lymphocytes. | Lymph Nodes |
| Lymphoid tissue located in a ring around the pharynx (throat) to monitor pathogens. | Tonsils |
| The specific veins in the neck where lymph fluid is returned to the cardiovascular system. | Subclavian Veins |
| The specialized lymphatic capillaries in the small intestine that absorb fats. | Lacteals |
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yatteyy