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Have You Gotten Your Oxygen Today?
Oxygen
is in the air we breathe. You can’t see it or taste it or
smell it, but you sure do need it to stay healthy.
When you breathe in (inhale), oxygen enters your lungs, located
in your chest. About 28% of the air you inhale is oxygen.
The two lungs are like balloons. When you inhale, your lungs
fill up with air. Try this: take a deep breath. What happens to
your chest? It puffs out because your lungs are blown up like
two balloons. Have You Gotten Your Oxygen Today?
Oxygen is in the air we breathe. You can’t see it or taste
it or smell it, but you sure do need it to stay healthy.
When you breathe in (inhale), oxygen enters your lungs, located
in your chest. About 28% of the air you inhale is oxygen.
The two lungs are like balloons. When you inhale, your lungs
fill up with air. Try this: take a deep breath. What happens to
your chest? It puffs out because your lungs are blown up like
two balloons.
Oxygen, which is a chemical, passes through the walls of the
lungs. It then enters the blood stream. Blood then delivers the
oxygen to every part of your body. Every cell of the human body
needs oxygen to stay alive. If cells are starved for oxygen, they
will eventually die.
When the oxygen is gone from your lungs, you let out the air
(exhale). When you exhale, you send out air that is mostly made
up of two chemicals. One is called carbon dioxide. The other is
called hydrogen.
Have you noticed that when you exercise, you inhale and exhale
more often. This is sometimes called ‘heavy breathing’.
When you exercise, your body needs more oxygen so you breathe
in and out more often. Heavy breathing is good for your lungs,
your heart and the cells of your body.
Visit your school or public library to learn more about the importance
of oxygen and clean air to breathe.
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