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LE Resp System Vocab

LE Respiratory System Vocab

TermDefinition
Filtration removal of foreign materials from respiratory system by means of cilia
Respiration the process by which the chemical bond energy stored in nutrients is released for use in the cells
Breathing to take air, oxygen, etc., into the lungs and expel it; inhale and exhale; respire
Inhalation to take in air, oxygen to lungs through nose &/or mouth
Exhalation to expel air, carbon dioxide from lungs through nose &/or mouth
Pharynx area at the back of the throat that connects the mouth and nasal passages with the esophagus
Larynx “voice box” found at the upper part of the trachea
Epiglottis – flap that covers the glottis (top) of the trachea to prevent food from being inhaled
Esophagus tube that connects pharynx to the stomach and allows food to pass into the digestive system
Trachea “wind pipe”; tube containing cartilage rings that connects the pharynx to the bronchi
Bronchi 2 main branches of the trachea that enter the lungs
Bronchioli any of the smallest bronchial tubes, usually ending in alveoli
Alveoli “air sacs”; site of O2/CO2 exchange with surrounding capillaries
Diaphragm muscle separating the thoracic cavity (chest) from the abdominal cavity
Bronchitis inflammation of lining of bronchial tubes
Asthma allergic reaction leading to constriction of bronchial tubes resulting in difficulty breathing
Emphysema enlargement and degeneration of alveoli leading to decreased lung capacity
Created by: jgarrisi