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Life Sci - Chap 23

vocabulary words

cardiovascular system collection of organs that transport blood throughout the body
artery blood vessel that carries blood away from the heart to the body's organs
capillary tiny blood vessel that allows an exchange between blood and cells in tissue
vein a vessel that carries blood to the heart
pulmonary circulation the flow of blood from the heart to the lungs and back to the heart through the pulmonary arteries, capillaries, and veins
systemic circulation flow of blood from the heart to all parts of the body and back to the heart
blood fluid that carries gases, nutrients, and wastes through the body and that is made up of platelets, white blood cells, red blood cells, and plasma
blood pressure force that the blood exerts on the walls of the arteries
lymphatic system collection of organs whose primary function is to collect extracellular fluid and return it to the blood; organs in the system include lymph nodes and lymphatic vessels
lymph fluid that is collected by the lymphatic vessels and nodes
lymph node oval masses of lymphatic tissue found in the lymphatic vessels that filter lymph
thymus main gland of the lymphatic system; it releases mature T lymphocytes
spleen largest lymphatic organ in the body; serves as a blood reservoir, disintegrates old red blood cells, and produces lymphocytes and plasmids
tonsils small, rounded masses of lymphatic tissue located in the pharnyx and in the passage from the mouth to the pharnyx
respiration exchange of oxygen and carbon dioxide between living cells and their environment; includes breathing and cellular respiration
respiratory system collection of organs whose primary function is to take in oxygen and expel carbon dioxide; organs in this system include lungs, throat and passageways that lead to the lungs
pharnyx in animals with a digestive tract, the passage from the mouth to the larnyx and esophagus
larnyx area of the throat that contains the vocal cords and produces vocal sounds
trachea in vertebrates, the tube that connects the larnyx to the lungs
bronchus one of the two tubes that connect the lungs with the trachea
alveoli any of the tiny air sacs of the lungs where oxygen and carbon dioxide are exchanged
Created by: msparks