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| a collection of organs that transport blood to and from your body's cells; the organs inthis system include the heart, the arteries, and the veins |
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| a connective tissue made up of platelets, white blood cells, red blood cells, and plasma |
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| blood vessels that carry blood away from the heart |
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| the smallest blood vessels |
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| blood vessels that direct blood to the heart |
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a circulation of blood between that heart and lungs |
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| the circulation of blood between the heart and the body (excluding the lungs) |
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| the amount of force exerted by blood on the inside walls of a blod vessel |
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| a collection of organs that collect extracellular fluid and return it to the blood; the organs in this system include the lymph nodes and lymphatic vessels |
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| the fluid and particles absobed into lymph capillaries |
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| small, bean-shaped organs that contain small fibers that work like nets to remove particles from the lymph |
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| a lymph organ that produces lymphocytes |
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| an organ that filters blood and produces lymphocytes |
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| small masses of soft tissue located at the back of the nasal cavity, on the inside of the throat, and at the back of your tongue |
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| the exchange of gases between living cells and their environment; includes breathing and cellular respiration |
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| a collection of organs whose primary function is to take in oxygen and expel carbon dioxide; the organs of this system include lungs, the throat, and the passageways theat lead to the lungs |
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| the upper portion of the throat |
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| the area of the throat that contains the vocal cords |
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| the air passageway from the larynx to the lungs |
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| the two tubes that connect the lungs with the trachea |
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| tiny sacs that form the bronchiole branches of the lungs |
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