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respirtory system

respirtory system za

respirtory sytem consists of lungs and air passages. this syem is respinsivle for taking in osygen, a gas needed by all of the body cells, and removing carbon dioxide, a gas that is netabolic waste product produced by the cells.
nose this has two openings, called notrils or nares, though which air enters.
nasel septum a wall of carilage.
nasal cavities divides the nose into hollow spaces.
cilia tiny hairlik structures, filters inhaled air to trap dust and other particles.
sinuses cavities in the skull that surround the nasal area.
pharynx [or throat] lies direyly behind the nasal cavities.
larynx [or voice box] lies between the pharnyx and trachea.
epigllottis a special leaflike piece of cartilage,closes the opening into the larynx during swallowing.
trachea a tube extending from the larynx to the center of the chest.
bronchi near the center of the chest, a right bronchus and a left bronchus.
bronchioles in the lugs the bronch contiue to divide into smaller bronchis.
alveoli the smallest bronchiole terminal bronchioles, end in air sacs.
lungs the divisions of the bronchi and the alveoli are found in organs.
pleura lungs that are enclosed in a membrane or sac.
ventilation the process of breathing.
inspiration is the process of breathing in air.
expiration when the diaphragm and intercostal muscles relax.
respiration the process of inspiration and expiration.
external respiration the exchange of oxygen and carbon dioxide between yhe lungs and bloodstream.
internal respiration the exchnge of carbon dioxide and oxygen between the tissue cells and the bloodstream.
cellular respiration when the cells then use yhe oxygen and nutrients to produce energy, water, and carbon dioxide.
asthma a respirtory disorder usally caused by a sensitivity t an allergen such as dust, pollen, and animal, nedication, or a food.
bronchitis a inflammation of the bronchi and bronchial tubes.
chronic obstructive pulmonary disease a term used to describe any chronic lung diseas that result in obstuction of the airways.
emphysema a noninfectious, chronic respiratory condition that occurs when the walls of the alveoli deteriorate and lose the elasticity.
epistaxis occurs when capillaries in the nose become congested and bleed.
influenza a highly contagious viral infection of the upper respirtory system.
laryngitis an inflammtion of the larynx and vocal cords.
lung cancer the leading cause of cancer death in both male and females
pleurisy an inflammation of the pleura, or membranes, of the lungs.
pneumonia an inflammation or infection of the lungs characterized by exudate in the alveoli.
rhinitis an inflammation of the nasal mucous membrand,resulting in a runny nose,watery eyes, snezzing, sorness, and congestion.
sinusitis and inflammation of thr mucous membrane lining the sinuss.
sleep apnea condition in which an indiviual stops breathing while asleep, causing a measurable decrease in blood oxygen.
tuberculosis an infectious lung disease caused by the bacterium mycobacterium turberculious.
upper rspiratory infection an infalmmation of the mucous membrane lining the upper respirtory tract.
Created by: princess93