viernes, 26 de diciembre de 2014

RESPIRATORY SYSTEM

THE RESPIRATORY SYSTEM

-The respiratory system, performs an action, breathing.
-Breathing performs two types of moments:
-We inhale air and it goes into the lungs.
-We exhale air sending it out of the lungs.

The parts of the respiratory system:
1:the nostrils are two openings in the nose.
2:the larynx contains the vocal cords. 
3:the bronchi are two branches of the trachea.
the diaphragm is the muscle that creates the movements involved in brathing.
4:the pharynx connects the larynx,the oesophagus and the trachea.
5:the tranchea is a tube that takes air into the bronchi.
6:the lungs are the more important organ and there are spongy organs made up of small sacs called alveoli 

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