Respiration
Transcript of Respiration
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SUBMITTEDBY:
AMINA NAZAR NATURAL SCIENCE
REG NO:18114383001
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SUBMITTED TO: SOYA .P
(LECTURER OFNATURAL SCIENCE)
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POWER POINT PRESETATION
ON:
RESPIRATORY SYSTEM.
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The respiratory system is a biological system consisting of specific organs and structures used for the process of respiration in an organism.
INTRODUCTION
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DIFFERENT PARTS OF RESPIRATORY
SYSTEM
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The respiratory system extends from the nostrils to the lungs The air enters into the
respiratory track through NOSTRILS .
The minute hairs and mucus in the nostrils prevent the entry of dust and harmful germs.
Nostrils are followed by the NASAL CANAL that opens into pharynx.
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The trachea and oesophagus start from the PHARYNX.
The EPIGLOTIS seen above the larynx prevents food particle from entering the trachea.
The TRACHEA is made up of incomplete C-shaped cartilaginous rings.
The trachea divides into two branches calledBRONCHI.
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The bronchi that enter the lungs divide into smaller branches called
BRONCHIOLES. Each bronchioles enters into a
set of ALVEOLI.The alveoli increase the surface
area of the lungs. Lungs are protected in a double layered membrane called PLEURA
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Thank you