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Breathing moves the
chest to bring air into
and remove waste
from the lungs.

Cell respiration uses
oxygen to release
energy from glucose.
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Trachea – connects larynx
with the bronchi
Lungs – where air is carried
into
Diaphragm - helps gas
move in and out of your
body
Epiglottis – when you swallow
it folds down which allows
food and liquids to enter
your esophagus instead of
your airway
Larynx – is the airway to
which two pairs of horizontal
folds tissue,called vocal
cords, are attached

Vocal Cords – enables us to
talk, laugh, sing, hum,
whisper, cough, and sneeze

Breathing is partly
described as the
result of changes in
volume and resulting
air pressure. As you
inhale your lungs
expand as you
exhale, your lungs
get smaller.

Your diaphragm
contracts and
relaxes, changing the
volume of the chest,
which helps move
gases into and out of
your lungs.

The respiratory system works
with the circulatory system
when air goes through the
lungs containing oxygen, it
passes from the lungs into the
circulatory system because
there is less oxygen in blood
when it enters the lungs than
in cells in the lungs.
It affects the digestive system
because oxygen releases
energy from glucose.
 Your respiratory system uses
your lungs to supply oxygen to
your cells for your circulatory
system.

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Your lungs inhale
and exhale about
500ml of air with the
average breath.
When you do
strenuous activities
like sports your
breathing can
increase to 2000ml of
air per breath.
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More than 85% of all
lung cancer is related
to smoking.
The breathing rate is
faster in children and
women than in men.