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[ATAR notes] Summary of Gas Exchanges - respiratory $8.49   Add to cart

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[ATAR notes] Summary of Gas Exchanges - respiratory

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The document/notes is a basic summery of gas change process of the respiratory systems. It’s an ATAR notes with basic informations, and later on you can build more information or in depth information on the topic, with the help of these basic information.

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  • March 24, 2023
  • 1
  • 2022/2023
  • Interview
  • Unknown
  • Unknown
  • Secondary school
  • 8
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GAS EXCHANGE
gas change
Alveolus /Alveoli carbon dioxide diffused
from capillaries into alveolito ·Air flows in and out


in
be taken outofthe body. CO2 ofalveolus as we breathe.
lungs bring
Cremoval oftoxin from the body) oxygen going into alveoli
deoxygenated 02 to diffused into blood stream
blood
or blood capillaries
Deoxygenated
bloodgoes into capillaries C generate bodily function)




Oxygenate blood

leaves capillaries of

Carbon dioxide diffuses alveoli

from blood in capillaries
Take oxygenate
into alveolus along Aleoli blood to the heartvid
concentration gradient veins from the lung
·High low)
CO2
->




02
Oxygen diffuses
from alveolus into capillary

along concentration
gradient
(nigh ->low)
·
For gas exchange to occur

there needs to be a


gradientconcentration
-
Differentin concentration between air The concentration ofoxygen is higher
in alreaus compared to bloodin in the alveolus compared to the capillaries,
capillary. Therefore oxygen diffuse from alveolus
into capillary along concentration
The concentration of carbon dioxide in gradient(high-low)
the bloodcapillaries is higher than Diffusion is passive
Alveolus has a wall that's
in the alveolus as itis deoxygenated, I does not require
one cell thick. Inside alveolus
therefore carbon dioxide diffuses energy)
is linedwith moisture.
from capillaries into alveolus along
These characteristics
concentration gradient(high to low)
makes gas exchange

easy (gas easily diffuse
to and from the body).
AIR FIOW PROCESSES

Nasal cavity (Phyrax LarynxTrached Bronchi <Bronchioles, Aveoli


Factors ofalveolithatmake itsuitable for its function

·Large surface area
Thin wall ceasy for deffussion to occurs (
·
Moist

large bloodsupply

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