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ABOUT HEALTHY
Respiratory System
Do you know how your body gets
oxygen from the air and
removes carbon dioxide from your body?
Right! It’s because of the respiratory system.
Do you know how it works? The following
explanation is written to help you understand
the process clearly.
The first phase of respiration is
breathing in or inhalation.
This process brings air from outside the
body into the lungs. From the lungs, the oxygen
moves through blood vessels to the heart
which then pumps the oxygen-rich blood to
all parts of the body. Oxygen then moves from
the blood-stream into the cells, which completes
the first phase of respiration. In the cells,
oxygen is used in a separate energy-producing process which produces carbon dioxide as a byproduct.
The second phase of respiration
begins when the carbon
dioxide moves from the cells to the bloodstream
which carries carbon dioxide to the heart.
Then, it pumps the carbon dioxide-laden blood
to the lungs. In the lungs, breathing out or
exhalation removes carbon dioxide from the body,
thus completing the respiration cycle.
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