Chapter 15 Flashcards
Another name for pulmonary ventilation?
Breathing
How does oxygen get transported?
Bound to hemoglobin
What are the functions of the respiratory system?
Air distributor
Gas exchanger
Important homeostasis mechanism
Pathway of air from trachea to the lungs?
Trachea - primary bronchi - secondary bronchi - alveolar sacs - alveoli
What is external respiration?
Exchange of gases between air in the lungs and pulmonary capillaries
What is internal respiration?
Exchange in gases between blood in the tissue capillaries and body cells
What is tidal volume?
Amount of air breathed in and out with each breath
Define eupnea?
Normal respiratory rate
Define dyspnea?
Labored breathing
Define apnea?
A temporary stop in breathing
Define hyper ventilation?
rapid respirations
The most important muscle of inspiration?
Diaphragm
Location of larynx?
Below the pharynx
Location of trachea?
Extends from larynx to bronchi
It begins at larynx and runs down behind the sternum
