the main tube connecting the mouth to the lungs?
muscle plays a main role in breathing?
structures does gas exchange occur?
the main organs of the respiratory system?
the respiratory system important to humans?
the exchange of gases required for proper cellular function. (Takes in o2
you think many different structures are needed by the respiratory system?
the structures performs one or more specific roles that is required for proper +
efficient exchange of gases.
you think there are so many Alveoli?
maximize the surface area available for exchange. The more there is the more
oxygen you can take in.
think smoking harms your respiratory system? Explain.
Various substances inhaled during smoking remain in the lungs, reduce efficiency
of lungs, + increase chances of diseases. (E.g. Lung cancer, emphy sema)
Send mail to firstname.lastname@example.org with
questions or comments about this web site.