-
RESPIRATORY SYSTEM -
and Transport of Gases
ming
Respiratory System:network various organs and other parts
of
the body thatinvolved
of in breathing gaseous exchange
Respiration:sequence of events thatresults in gas exchange between the body's cells and the environment.
nation heral
-
respiration ->
issues(
(breathe in)
nation exchange -exchange
-Air moves into lungs -
Blood & lungs
air in -
Blood & body
tissue in
(breathe out
Extration
-move out
Respiratory Tract
man
-
Tracheal
living
↳
Bronchicle 9 Alveoli
, Surface
Exchange
-Take place
by diffusion
- -
Genhanced by vascularization.
moist
,
~thin
-External respiration to be effective
-
large surface area
-Delivery to cells by pigments.
↳ eg:HB
Expiration Inspiration
W ~
-moving air out of the lungs -
moving into
air the lungs
-
positive pressure in
lungs
-
c- pressure
Ribcage moves down ribcage out
-
-
moves up
-Diaphragm: ·
Relaxed -Diaphragm: contracts
·
moves up to former
Breathing · mules down
position -
Thoracic cavity expands:
-no muscle V4
contraction
3
·
-
passive process
-Pincreased the
in thoracic cavity
·
desicasses
me
ot
th
↓ Ar flow out
Terrestrial vertebrates Birds
W /
-tidal ventilation mechanism -one-way ventilation mechanism
↳ Air more infout a same route ↳ Fresh air x mixed w used air
↳ Lunas x completely empty (fill ↳ Gas-exchange effeciency increase
↳ Ar enter mixed used air ventilation
↳ Decreases gas exchange effeciency. -
incoming air
-
carried past
lungs by trachea
Emiration
of
Breathing in Humans
-Normal In (breathing rate]
medula
ventilation
Rythm of controlled by
respiratory center in the
oblangata
-
-
Intmuenced by newous & Chemical inputs.
- Forced inhilation, stretch receptors the
in alveoli initiate. Inhibatter nerve
impulses
RESPIRATORY SYSTEM -
and Transport of Gases
ming
Respiratory System:network various organs and other parts
of
the body thatinvolved
of in breathing gaseous exchange
Respiration:sequence of events thatresults in gas exchange between the body's cells and the environment.
nation heral
-
respiration ->
issues(
(breathe in)
nation exchange -exchange
-Air moves into lungs -
Blood & lungs
air in -
Blood & body
tissue in
(breathe out
Extration
-move out
Respiratory Tract
man
-
Tracheal
living
↳
Bronchicle 9 Alveoli
, Surface
Exchange
-Take place
by diffusion
- -
Genhanced by vascularization.
moist
,
~thin
-External respiration to be effective
-
large surface area
-Delivery to cells by pigments.
↳ eg:HB
Expiration Inspiration
W ~
-moving air out of the lungs -
moving into
air the lungs
-
positive pressure in
lungs
-
c- pressure
Ribcage moves down ribcage out
-
-
moves up
-Diaphragm: ·
Relaxed -Diaphragm: contracts
·
moves up to former
Breathing · mules down
position -
Thoracic cavity expands:
-no muscle V4
contraction
3
·
-
passive process
-Pincreased the
in thoracic cavity
·
desicasses
me
ot
th
↓ Ar flow out
Terrestrial vertebrates Birds
W /
-tidal ventilation mechanism -one-way ventilation mechanism
↳ Air more infout a same route ↳ Fresh air x mixed w used air
↳ Lunas x completely empty (fill ↳ Gas-exchange effeciency increase
↳ Ar enter mixed used air ventilation
↳ Decreases gas exchange effeciency. -
incoming air
-
carried past
lungs by trachea
Emiration
of
Breathing in Humans
-Normal In (breathing rate]
medula
ventilation
Rythm of controlled by
respiratory center in the
oblangata
-
-
Intmuenced by newous & Chemical inputs.
- Forced inhilation, stretch receptors the
in alveoli initiate. Inhibatter nerve
impulses
