PPT: Respiration in Organisms | Science Class 7 PDF Download

 Page 1


H u m a n
R e s p i r a t o r y
S y s t e m
Page 2


H u m a n
R e s p i r a t o r y
S y s t e m
Page 3


H u m a n
R e s p i r a t o r y
S y s t e m
oxygen
Our r e s p i r a t o r y
s y s t e m is responsible
for bringing air into the
body, from which we
can get o x y g e n.
Page 4


H u m a n
R e s p i r a t o r y
S y s t e m
oxygen
Our r e s p i r a t o r y
s y s t e m is responsible
for bringing air into the
body, from which we
can get o x y g e n.
carbon
dioxide
It also moves air back
out of the body—the
exhaled air contains
more of our waste gas,
carbon dioxide.
Page 5


H u m a n
R e s p i r a t o r y
S y s t e m
oxygen
Our r e s p i r a t o r y
s y s t e m is responsible
for bringing air into the
body, from which we
can get o x y g e n.
carbon
dioxide
It also moves air back
out of the body—the
exhaled air contains
more of our waste gas,
carbon dioxide.
But how do we get oxygen from the air to our
body cells and get carbon dioxide out?