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Respiratory System

A list of key terms from Chapter 7.10

TermDefinition
Alveoli Microscopic air sacs in the lungs.
Bronchi Two main branches of the trachea; air tubes to and from the lungs.
Bronchioles Small branches of the bronchi; carry air in the lungs.
Cellular Respiration Respiration on a cellular level.
Cilia Hairlike projections.
Epiglottis Leaf-shaped structure that closes over the larynx during swallowing.
Expiration The expulsion of air from the lungs; breathing out air.
External Respiration The exchange of oxygen and carbon dioxide between the lungs and bloodstream.
Inspiration Breathing in; taking air into the lungs.
Internal Respiration The exchange of carbon dioxide and oxygen between the tissue cells and the bloodstream.
Larynx Voice box, located between the pharynx and trachea.
Lungs Organs of respiration located in the thoracic cavity.
Nasal Cavity Space between the cranium and the roof of the mouth.
Nasal Septum Bony and cartilaginous partition that separates the nasal cavity into two sections.
Nose The projections in the center of the face; the organ for smelling and breathing.
Pharynx The throat.
Pleura A serous membrane that covers the lungs and lines the thoracic cavity.
Respiration The process of taking in oxygen (inspiration) and expelling carbon dioxide (expiration) by way of the lungs and air passages.
Respiratiory System Consists of the lungs and air passages; responsible for taking in oxygen and removing carbon dioxide.
Sinuses Cavities or air spaces in bones.
Trachea Windpipe; air tube from the larynx to the bronchi.
Ventilation Process of breathing.
Asthma Respiratory disorder caused by a sensitivity to an allerge, stress, overexertion, and/or infection.
Bronchitis Inflammation of the bronchi and bronchial tubes.
Chronic Obstructive Pulmonary Disease Any chronic lung disease that results in the obstruction of airways.
Emphysema A nonenfectious, chronic respiratory condition that occurs when the walls of the alveoli deteriorate and lose their elasticity. Carbon dioxide becomes trapped in the lungs.
Epistaxis Nosebleed which occurs when capillaries in the nose become cngested and bleed.
Influenza Highly contagious viral infection of the upper respiratory system.
Laryngitis Inflammation of the larynx and vocal cords.
Lung Cancer Leading cause of cancer death in men and women; tumor or tumors in the lungs.
Pleurisy Inflammation of the pleura, or membranes, of the lungs.
Pneumonia Inflammation or infection of the lungs characterized by exudate, a build up of fluid in the alveoli.
Rhinitis Inflammation of the nasal mucous membrane, relulting in a runny nose, watery eyes, sneezing, soreness, and congestion.
Sinusitis Inflammation of the mucous membrane lining the sinuses.
Sleep Apnea Conition in which an individual stops breathing while asleep.
Tuberculosis Infectious lung disease caused by the bacterium Mycobacterium tuberculosis
Upper Respiratory Infection Common cold, inflamation of the mucous membrane lining the upper respiratory tract.
Created by: Joey_Cole on 2008-11-19



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