Respiratory System Flashcards
Another term for “breathing” is…
Pulmonary ventilation
What is the difference between external and internal respiration?
External - exchanges gases between the atmosphere and blood in the alveoli.
Internal - exchanges gases between blood and body’s cells.
Another term for inhalation is…
Inspiration
Another term for exhalation is…
Expiration
What is the function of the paranasal sinuses?
Hold air in pockets to decrease skull bone weight.
Four main functions of the respiratory system
Gas conditioning, sound production, olfaction, and defense.
Name the 4 parts of the upper respiratory tract
Nose and nasal cavities, paranasal sinuses, pharynx, larynx
Identify components of nasal cavity.
Diagram
Discuss the pharynx
Commonly called the throat, is shared by respiratory and digestive tracks, divided into three regions, has skeletal muscles for control of swallowing.
Name and identify the three regions of the pharynx.
Nasopharynx - air passage, opening of auditory tubes that connect to middle ear, houses the pharyngeal tonsil (adenoids)
Oropharynx
Laryngopharynx
Diagram