Which%20is%20breathing%20in%20and%20which%20is%20breathing%20out?

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Which is breathing in and which is breathing out?
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Lesson aims We are going to about the link
between breathing and fitness. You will know how
we breath in and out.
To breathe in
To breathe out
Why does air move into the lungs when you breathe
in?
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(No Transcript)
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Why we breathe The breathing system moves in
and out of the body so that from the
can diffuse into the and can
diffuse out of the and into the .
Lesson aims We are going to about the link
between breathing and fitness. You will know how
we breath in and out.
Blood carbon dioxide air oxygen
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What do these have in common?
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Lesson aims We are going to about the link
between breathing and fitness. You will know how
we breath in and out.
What are the two functions of our breathing
system? What is the single most important special
feature of the lungs? Why do we have to breathe
to carry them out? How does breathing change the
air that we take in (3 ways).
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Lesson aims We are going to about the link
between breathing and fitness. You will know how
we breath in and out.
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