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Respiratory System

by: Alexis Bussiere

Respiratory System BIOL0004-A

Alexis Bussiere
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About this Document

Class notes on the respiratory system
the human body
John J Mitchell
Class Notes




Popular in the human body

Popular in Biological Sciences

This 2 page Class Notes was uploaded by Alexis Bussiere on Thursday February 4, 2016. The Class Notes belongs to BIOL0004-A at University of Vermont taught by John J Mitchell in Spring 2016. Since its upload, it has received 24 views. For similar materials see the human body in Biological Sciences at University of Vermont.


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Date Created: 02/04/16
Respiratory  System Thursday,  February  4, 8:25  AM 3  components  of  the  respiratory  system 1. Accessory-­-­input  to  the  body  (nasal/nose)   2. Pulmonary-­-­associated  with  pulmonary  orga-­ -­lungs 3. Thoracic-­-­ribs,  muscles,  diaphragm  that  surrounds  the  lungs   Nose  &  nasal  cavity 1. Moistureadded  to  air 2. Warm the  air-­-­blood  vessel  burns  fuel  &  warms  up  bl--­doesn't  freeze   moisture  inside  your  lungs 3. Clean-­-­ get  rid  of  bacteria  so  it  doesn't  get -smucous  balls  on   surface  grab  bacteria  (e.g.  fly  paper)  then  the  cell  pushes  out  bacteria  by   pumping  it  out   Pulmonary • Alveoli-­-­grape  like  sacs,  hollow,  increase  surface,  allow  oxygen  and   carbon  dioxide  to  move  between  your  lungs  &  bloodstream   • Type  1  cell-­-­Alveolar  cell  and  nucleus-­-­    looks  for  stray  bacteria,  eats  and   destroy  the  bacteri-­-­ if  they  can't  eat  the  bacteria  (e.g.  macrophages)  the   cell  makes  way  to  throat  so  you  can  swallow  it  down  in  your  stomach     Thoracic  (lungs)     • Contracts  diaphragm   • Muscles  in  ribs  get  expanded  up/o--te.g.  blowing  up  a  balloon)-­-­ inhaling;;  active • Contracting  lungs-­-­lungs  go  back  to  nor-­l-­exhaling;;  passive • Not  all lungs  work  the  same  (e.g.  frogs  gulp  &  swallow)   • Tidal  breathing-­-­ breathing  in  &out  about  500mL  &  12  breathes  per   minute  =  6L  of  ai-­r-­150mL  normally  doesn’t  get  used     • Increasing  rate  of  breathing  or  increasing  amount  of  air  you  can  use  all  of   the  air-­-­ taking  in  8L  of  air   • Taking  bigger  breathes  increase  air  to  10L Blood  gas  transport 02 • Dissolved  (1.5%) • Bound  to  hemoglobin  (98.5%) C02 Blood  gas  transport 02 • Dissolved  (1.5%) • Bound  to  hemoglobin  (98.5%) C02 • Dissolved  (7%) • Bound  to  hemoglobin  (23%) • Chemically  reacted  (70%)


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