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THE RESPIRATORY

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THE RESPIRATORY Powered By Docstoc
					                  THE RESPIRATORY
                       SYSTEM

   The organ system responsible for gaseous exchange
         between the atmosphere and the blood

Respiration: is the exchange of O2 & CO2 that occurs in
the lungs and the cells

Functions:




COMPONENTS OF THE RESPIRATORY SYSTEM
   UPPER RESPIRATORY TRACT

  OPEN PASSAGES FROM EXTERIOR TO LUNGS

   LOWER RESPIRATORY TRACT

STRUCTURES/PASSAGES WITHIN THE LUNGS
UPPER RESPIRATORY TRACT – detail

1. Nasal Cavity




Advantages:



2. Pharynx




3. Larynx (voice box)




4. Trachea (wind pipe)
5. Primary Bronchii




LOWER RESPIRATORY TRACT – detail

1. Bronchii




2. Bronchioles




3. Alveoli




Respiratory Membrane:
Summary:
Anatomical features that facilitate gaseous exchange




                         THE LUNGS

Location:


Structure:


coverings:      pleura



function of pleura:




Blood vessels:
Pulmonary circulation



Bronchial arteries

				
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posted:11/24/2011
language:English
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