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Respiratory Diseases
Word count: 351 | Approximate pages: 2
Respiration is the process of taking in and using oxygen. There are
three different phases of respiration: external respiration, internal
respiration, and cellular respiration. External respiration is the intake of
oxygen from the environment and the release of carbon dioxide. In internal
respiration, oxygen is carried to the cells and carbon dioxide is carried away
from the cells. In cellular respiration, oxygen is used in chemical reactions
within the cells.
Some Diseases of the respiratory system are: bronchial asthma, the ....
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