RESPIRATORY SYSTEM

The   respiratory  system  :they  transport  the  oxigen  and  expel  the  cabon  dyoxid

in  human  body    respratory  system  consits 
 of respiratory   airways  lung  and  respiratory muscle
that    the movementof air  both inside  andoutsidethe human  body

the  echange  of  gasess  is  the echange  of  oxigen  and  carbon

dioxide  from  the  living  being  whit the   medium

withingthe system    the  lungs  oxigen  moleclues

and carbon dioxide  are  passibelli  exanged  by difussion

between  the gaseous  enviromentand the blood  so  the

respiratory  systemfacilitates  oxigenation  continued

PARTS:nasal  cavity  ,oral  cavity  ,tounge,  trchea

pleura,  rhigh lung,  diapragrm,  pharhinx

epiglottis,  larinx,  bronchus left lung



we breaht 5  to 6 liters  of  airper  minute

adult  lungs  can hold  3  liter of air