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A & P Chapter 13 Respiratory System Vocab
Terms in this set (19)
the system for taking in oxygen and giving off carbon dioxide.
the only externally visible part of the respiratory system
Known as the throat. It serves as a common passage for food and air.
The "voice box". Channles food and air to the proper location and plays a role in speech.
Known as the "windpipe". The pathway from the throat to the lungs.
two spongy organs, located in the thoracic cavity enclosed by the diaphragm and rib cage, responsible for respiration
air movement into and out of the lungs allows for gas exchange and air being continuously refreshed
Gas exchange (oxygen loading and carbon dioxide unloading) between the pulmonary blood and alveoli must take place. The exchange is being made among the blood and the body exterior.
Respiratory Gas Transport
Oxygen and carbon dioxide must be transported to and from the lungs and tissue cells of the body via the bloodstream
At systematic capillaries, gas exchanges must be made between the blood and tissue cells. Exchange is made between the blood and cells inside the body.
process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
When the size thoratic cavity increases, drawing air into the lungs.
Exhalation, or when the rib cage descends and the lungs recoil. This releases air.
Exchange of both oxygen and carbon dioxide through the respiratory membrane occurs by this process.
Tiny sacs in the lungs where gas exchange takes place.
After entering the lungs, bronchi subdivide into smaller and smaller branches that finally end at these structures.
Is known as the air-blood barrier. This membrane has gas(air) flowing past on one side and blood flowing past on the other.
The total amount of exchangable air.
This occurs when the alveoli enlarge as the walls of adjacent chambers break through, and chronic inflammation promotes fibrosis of the lungs.
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