RESPIRATORY

SYSTEM

PARTS OF THE RESPIRATORY SYSTEM

ANATOMY OF LUNGS

INTERIOR OF LUNGS

POSITION OF LUNGS Lungs are located on either side

of the thoracic cavity.

PLEURA

* Lungs are protected inside a double layered membrane PLEURA.

* PLEURAL FLUID is seen between the two layers of pleura.

STRUCTURE OF ALVEOLI

* Lungs are full of ALVEOLI.*Alveoli are balloon like structures seen in the lungs. * Alveoli helps in the exchange of gases

STRUCTURE OF ALVEOLI

* Alveoli are surrounded by blood capillaries. * Alveoli increases the surface area for exchange of gases.

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