Respiratory system PDF Notes Free Download

Respiratory system PDF Notes Free Download for Pharmacy students.

Functions of The Respiratory System
 To allow gases from the environment to enter the bronchial tree through inspiration by expanding the thoracic volume.
 To allow gas exchange to occur at the respiratory membrane, so that oxygen diffuses into the blood while carbon dioxide diffuses into the bronchial tree.
 To permit gases in the lungs to be eliminated through expiration by decreasing the thoracic volume.

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