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Anatomy & Physiology: Practical #2
Terms in this set (42)
Movement of air into and out of the lungs
Gas Exchange to and from the pulmonary circuit blood that occur in the lungs. (Oxygen loading and CO2 unloading)
Exchange of gases between cells of the body and the blood
Throat Anatomy Diagram
Lungs Anatomy Diagram
Upper Respiratory Tract Diagram
Lower Respiratory Tract Diagram
either of the two cavities lying between the floor of the cranium and the roof of the mouth and extending from the face to the pharynx
3 bony shelves that form lateral walls of nasal cavity; inferior nasal concha is seperate bone, and middle and superior nasal conchae are projections from ethmoid bone. increases surface of nasal cavity to faciliate moistening, removal of particles and warming of air inhaled
Air-containing cavities in the bones around the nose
A passageway leading from behind the nasal cavity to the trachea. The pharynx is divided into three regions, named for their location. The nasopharynx is behind the nasal cavity, the oropharynx is behind the oral cavity, and the laryngopharynx is behind the larynx. The nasopharynx is a passageway for air only, but the oropharynx and laryngopharynx are passageways for both air and food; consequently they are lined with a much thicker layer of cells to resis damage due to abrasion.
provides support at the lower portion of the larynx. This is the land mark for making an emergency airway. below arytenoid cartilage
A flap of tissue that seals off the windpipe and prevents food from entering.
true vocal cords (slit between cords = glottis)
Two pairs of vocal chords are found in the larynx. Which pair are the true vocal chords (superior or inferior)?
Forms the adam's apple
shaped like signet ring
a "lid" for the larynx
What is the significance of the fact that the human trachea is reinforced with cartilaginous rings?
Prevents collapse during pressure changes occurring during breathing.
What is the function of the pleural membranes?
produce a serous fluid that reduces friction during breathing movements and helps to hold the lungs tightly to the thorax wall which keeps the lungs inflated.
connects the larynx to the primary bronchi
site of tonsils
food passageway posterior to the trachea
covers glottis during swallowing of food
epiglottis "guardian of airways"
contains the vocal chords
nerve that activates the diaphragm during inspiration.
pleural layer lining the walls of the thorax
site from which oxygen enters the pulmonary blood
connects the middle ear to the nasopharynx
opening between the vocal folds
increases air turbulence in the nasal cavity
separates the oral cavity from the nasal cavity
Function of external nares(nostrils)
warm air on inhalation and remove moisture on inhalation.
pharynx has how many regions and what are they?
The pharynx has 3 regions, Nasopharynx, Oropharynx, and laryngopharynx.
UVULA "punching bag" from soft palate upward.
Only an air passageway.
ciliated pseudostratified columnar epithelium simple.
inferior to Nasopharynx.
extends from soft palate (attaches) to hyoid bone.
food and air pass through
Passageway where both food and air need to make a decision.
provides open airway
routes air and food into the proper channels
nasal passage way amplifies.
accentuate high pitch(helps eliminate bowels)
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