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Respiratory System

Respiratory System This system is responsible for taking in oxygen, a gass needed by all body cells, and removing carbon dioxide, a gas that is a metabolic waste product produced by the cells when the cells convert food into energy.
Nose This has two openings, called nostrils or nares, through which air enters.
Nasal Septum A wall of cartilage that divides the nose into two hollow spaces.
Nasal Cavities Two hollow spaces lined with a mucous embrane and has a rich blood supply.
Cilia These are tiny, hairlike structures which filter inhaled air to trap dust and other particles. These help move the mucous layer that lines the airways to push trapped particles toward the esophagus, where they can be swallowed.
Sinuses Cavities in the skull that surround the nasal area. The cavities also provide resonance for the voice.
Pharynx The throat. This is divided into three sections, the nasopharynx, the oropharynx, and the laryngopharynx.
Larynx The voice box
Trachea The winpipe
Bronchi The trachea divides into two of these. Each enters a lung and carries air from the trachea to the lung
Bronchioles Smallest branches of the bronchus
Alveoli These are made up of one layer of squamous epithelial tissue and contain a rich network of blood capillaries, which allow oxygen and carbon dioxicde to be exchanged between the blood and the lungs.
Lungs Major organs which store alveoli
Pleura A membrane, or sac, which each lung is enclosed i
Ventilation The process of breathing
Inspiration The process of breathing in air
Expiration The process of forcing out air
Respiration The process of insipration and expiration
External Respiration The exchange of oxygen and carbon dioxide between the lungs and bloodstream
Internal Respiration The exchange of carbon dioxicde and oxygen between the tissue cells and the bloodstream
Cellular Respiration The process of oxygen being carried to the tissue cells by the blood and the blood cells using the oxygen and nutrients to produce energy, water, and carbon dioxide
Asthma A respiratory disorder usually caused by a sensitivity to an allergen such as dust, pollen, an animal, medications, or a food
Bronchitis An inflammation of the bronchi and bronchial tubes
Chronic Obstructive Pulmonary Disease A term used to describe any chronic lung disease that results in obstruction of the airways
Emphysema A noninfectious, chronic respiratory condition that occurs when the walls of the alveoli deteriorate and lose their elasticity
Epistaxis A nosebleed
Influenza The flu
Laryngitis An inflammation of the larynx and vocal cords
Lung Cancer The leading cause of cancer death in both men and women. It is a preventable disease because the main cause is exposure to carcinogens in tobacco, either through smoking or through exposure to "second-hand" smoke.
Pleurisy An inflammation of the pleura of the lungs
Pneumonia An inflammation or infection of the lungs characterized by exudate (a buildup of fluid) in the alveoli
Rhinitis An inflammation of the nasal mucous membrane, resulting ina runny nose, watery eyes, sneezing, soreness, and congestion
Sinusitis An inflammation of the mucous membrane lining the sinuses
Sleep Apnea A condition in which an individual stops breathing while asleep
Tuberculosis An infectious lung disease casued by the bacterium, Mycobacterium tuberculosis
Upper Respiratory Infection The common cold
Created by: haloblade10