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Respiratory System

respiratory system the system responsible for taking in oxygen and eliminating carbon dioxide
nose the organ used for smelling and breathing
nasal cavity space between the cranium and the roof of the mouth
nasal septum a wall of cartilage that divides the nose into two hollow spaces
cilia tiny, hairlike structures that filter inhaled air to trap dust and particles
sinuses cavities in the skull that surrounds the nasal area
pharynx throat; lies directly behind the nasal cavities
larynx voicebox; lies between the pharynx and trachea
epiglottis a special leaflike piece of cartilage that closes the opening into the larynx during swallowing
trachea windpipe; a tube extending from the larynx to the center of the chest
bronchi two main branches of the trachea
bronchioles the smallest branches of the bronchi
alveoli microscopic air sacs in the lungs
lungs organ found in the thoracic cavity that contains the divisions of the bronchi and alveoli
pleura a membrane or sac that covers the lungs
ventilation the process of breathing
inspiration the process of breathing in air
expiration the expulsion of air from the lungs; breathing out air
respiration the process of inspiration and expiration
external respiration the exchange of oxygen and carbon dioxide between the lungs and bloodstream
internal respiration the exchange of carbon dioxide and oxygen between the tissue cells and the bloodstream
cellular respiration the process where cell uses oxygen and nutrients to produce energy
asthma a respiratory disorder usually caused by a sensitivity to an allergen such as dust, pollen, animals, medications or a food. The treatment are oxygen therapy and bronchodilators. The symptons are wheezing, dyspnea, tightness in chest.
bronchitis an inflammation of the bronchi and bronchial tubes. The symptons are wheezing, dyspnea, productive cough, chest pain, excessive mucus resulting in a productive cough and prolonged air expiration. The treatment is antibiotics, bronchodilators and/or respir
chronic obstructive pulmonary disease a term used to describe any chronic lung disease that results in obstruction of the airways. Primary cause is smoking, but allergies and chronic respiratory infections are also factors. The symptons are having previous diseases that can lead to it. Treatm
emphysema is a noninfectious, chronic respiratory condition that occurs when the walls of the alveoli deteriorates and loses elasticity. Common causes are heavy smoking and prolonged exposure to heavy pollutants. Symptoms are dyspnea, cyanosis, a feeling of suffoca
epistaxis is a nosebleed when the nose becomes congested. Causes are injury or blow to the nose, hypertension, blood diseases such as hemophilia or leukemia
influenza flu; a highly contagious viral infection of the upper respiratory system. Symptoms include chills, muscle pain, runny nose, fatigue, fever. Treatment includes bed rest, fluids, and sometimes antibiotics. Immunization with a flu vaccine is recommended for
laryngitis is an inflammation of the larynx and vocal chords. Symptoms are hoarseness or loss of voice, dysphagia, and sore throat. Treatments are rest, limited voice use, fluids, and possibly medication
lung cancer is the leading cause of cancer death in both men and women. The main cause is smoking or second hand smoke. There are no symptoms in the early stage, but chronic cough, dyspnea, hemoptysis, weight loss and chest pain appear in later stages. Treatments inc
pleurisy is an inflammation of the pleura. Symptoms are sharp, stabbing pain while breathing; fever; dyspnea; crepitation. Treatment methods are rest and medications to relive pain and inflammation
pneumonia an inflammation of infection of the lungs characterized by buildup of fluid in the alveoli. Causes are bacteria, viruses, protozoa or chemicals. Symptoms include chills, fever, chest pain, productive cough and dyspnea. Treatments are bed rest, oxygen ther
Rhinitis inflammation of the nasal mucous membrane--runny nose, watery eyes, sneezing, congestion. Common causes are infections and allergens. Treatments include administering fluids and medications.
sinusitis an inflammation of the mucous membrane lining the sinuses, caused by a bacterium or virus. Symptoms are headaches, dizziness, thick nasal discharge, congestion and loss of voice resonance. Treatments include analgesics, moist inhalants and decongestants.
sleep apnea a condition in which an individual stos breathing while sleeping, causing a decrease in blood oxygen levels. Obstructive: caused by a blockage in the air passage. Central: caused by a disorder in the respiratory control center of the brain. Treatment incl
tuberculosis an infectious lung disease caused by a bacterium, and if body resistance is lowered.Symptoms include fatigue, fever, night sweats, weight loss, hemoptysis and chest pain. Treatment is to administer drugs for one or more years to destroy the bacteria
upper respiratory infection common cold; caused by viruses and are highly contagious. Symptoms are fever, runny nose, sore throat, congestion and hacking cough. Antihistamines, rest and increased fluid intake are treatments.
Created by: glynnisia