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APSM Biology 2.9

APSM CA Biology 2.9 Respiration

TermDefinition
alveoli microscopic air sacs of the lunges in which gas exchange takes place
brain stem connects brain to spinal cord; has three regions responsible for most automatic body functions
bronchi tubes that go to each lung, connect to trachea
bronchioles small tubes branching from the bronchi that lead to alveoli
bronchitis inflammation of the lining of the bronchial tubes
carbon monoxide highly toxic colorless, odorless, & tasteless gas, blocks uptake of oxygen
diaphragm thick sheet of muscle that separates thoracic cavity from the abdominal cavity, responsible for breathing
emphysema progressive deterioration of alveoli caused by malfunctioning enzymes
epiglottis small flap of cartilage in the pharynx that closes the top of the trachea during swallowing
exhalation process in breathing in which air rushes from lungs due to increased pressure
hemoglobin iron containing blood protein found in red blood cells, carries oxygen
inhalation process in breathing where air rushed into lungs due to decreased pressure
larynx enlargement of trachea where speech originates; voice box
lung cancer uncontrolled growth/tumors in lungs
mucus membranes lining of air passages that catch gunk you breathe in, directing it to the throat and then stomach, where germs are destroyed
nasal passages filter, warm, and humidify the air
nicotine Addictive stimulant in tobacco
pharynx throat
tar resinous substance created when tobacco is burned; 60 compounds known to cause cancer
trachea tube that carries air from pharynx to lungs; windpipe
vocal cords structures in larynx that vibrate to produce sound
Created by: samundoacademy
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