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anatomy week 12

respitory system

TermDefinition
Trachea The windpipe; a tube that connects the larynx to the bronchi, allowing air passage to the lungs.
Alveoli Tiny air sacs in the lungs where gas exchange occurs between oxygen and carbon dioxide.
Bronchi The two main branches of the trachea that lead into each lung.
Pulmonary ventilation The process of moving air into and out of the lungs (also known as breathing).
External respiration The exchange of gases between the alveoli and the blood in pulmonary capillaries.
Pleura A double-layered membrane surrounding each lung and lining the chest cavity to reduce friction.
Internal respiration The exchange of gases between the blood and the body’s tissues.
Epiglottis A flap of tissue that closes over the trachea when swallowing to prevent food from entering the airway.
Inspiration The act of breathing in; inhalation.
Respiratory membrane The thin barrier where gas exchange occurs between alveolar air and the blood in capillaries.
Created by: zarali333
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