The Respiratory System
Terms and definitions of the respiratory system.
a data set by ms_thompson
created April 7, 2017
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Respiratory System Flashcards
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|Upper Respiratory Tract||Paranasal sinuses||A group of four paired air-filled spaces that surround the nasal cavity|
|Upper Respiratory Tract||Oral cavity||The cavity of the mouth|
|Upper Respiratory Tract||Nasal cavity||A large air filled space above and behind the nose in the middle of the face; helps warm and moisten air|
|Upper Respiratory Tract||Cilia||Tiny hairs that protect the nasal passageway and respiratory tract, filtering out particles during inhalation|
|Upper Respiratory Tract||Pharynx||Allows for the movement of air from the nose and mouth to the larynx|
|Upper Respiratory Tract||Larynx||The voice box; a hollow muscular organ that forms an air passage to the lungs and holds the vocal cords.|
|Upper Respiratory Tract||Epiglottis||A small flap of tissue that covers the larynx to keep food and liquid from entering the lungs.|
|Upper Respiratory Tract||Vocal cords||Folds of tissue in the larynx whose edges vibrate to produce the voice.|
|Upper Respiratory Tract||Glottis||The gap between the vocal cords|
|Lower Respiratory Tract||Trachea||The windpipe; a membranous tube reinforced by rings of cartilage that extends from the larynx to the bronchial tubes and conveys air to and from the lungs|
|Lower Respiratory Tract||Bronchi||The two main branches of the trachea that lead to the lungs, where they divide into smaller branches|
|Lower Respiratory Tract||Bronchioles||Tiny branches of air tubes within the lungs that are a continuation of the bronchi; connect to the alveoli|
|Lower Respiratory Tract||Alveoli||Tiny air sacs where the exchange of oxygen and carbon dioxide takes place|
|Lower Respiratory Tract||Diaphragm||A muscular partition that inflates the lungs by increasing the volume of the thorax during contraction|
|Lower Respiratory Tract||Lungs||The pair of organs into which air is drawn so that oxygen can pass into the blood and carbon dioxide be removed|
|Lower Respiratory Tract||Pleura||The membranes lining the thorax and enveloping the lungs|
|Lower Respiratory Tract||Bronchial tree||The branching system of bronchi and bronchioles conducting air from the windpipe into the lungs|
|Lower Respiratory Tract||Thorax||The chest; the part of the human body between the neck and the diaphragm, containing the heart and lungs|
|Respiratory system||The set of organs that allows a person to breathe and exchange oxygen and carbon dioxide throughout the body|
|Ventilation||The moving of air from the nasal cavity and mouth to the bronchioles|
|Respiration||Breathing; the inhalation of oxygen and the exhalation of carbon dioxide|
|Respiratory rate||The number of breaths per minute|
|Mucus||Traps particles before they reach delicate alveoli; warms and moistens air|
|Diffusion||The process by which oxygen moves from the alveoli to the blood through the capillaries|
|Inhalation||The act of breathing in|
|Exhalation||The act of breathing out|
|Asthma||An inflammatory lung disease that causes airways to tighten and narrow, creating difficulty breathing|
|Bronchitis||When the membranes lining the bronchial tubes become inflamed and an excessive amount of mucus is produced, causing a serious cough|
|Pneumonia||Lung inflammation caused by bacterial or viral infection, in which the air sacs fill with pus and may become solid|