AnatomyResp

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Author:
skywayscott
ID:
9344
Filename:
AnatomyResp
Updated:
2010-03-06 19:45:50
Tags:
respiration
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Description:
Respiration
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  1. Functions of respiratory system
    • A. Gas exchange – intake of O2,
    • elimination of CO2

    B. Regulates blood pH

    C. Vocalization

    D. Olfactory receptors
  2. Functions of the nose
    a. provides an airway for respiration


    b. moistens and warms air


    c. filters and cleanses air


    d. location of olfactory receptors


    e. adds resonance to voice
  3. External nose
    • 1. hyaline cartilage plates
    • attached tofrontal, nasal and maxillary
    • bones

    2. external openings - external nares (nostrils)
  4. Nasal Cavities – internal nose
    • 1. cavity divided by nasal
    • septum (hyaline cartilage) that exits
    • through internal nares into pharynx

    • 2. contains hair (filtration), numerous blood
    • vessels (warms air), and mucus glands
    • (traps debris and kills bacteria)
  5. Paranasal sinuses
    1. found in frontal, sphenoid, maxillary, ethmoid bones

    • 2. respiratory functions – warm and moisten air,
    • trap debris in mucus

    3. drain into internal nose

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