Lungs and Gas Exchange

What are lungs​?

Lungs are part of the respiratory system, a group of organs and tissues that work together to help us breathe.​

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By: Silvia Yanti, S.T.

​Lungs

How Lungs Work.​

Inhale and Exhale​

​When we inhale, we take in air containing oxygen through trachea , known as windpipe and goes down to two branches named brochi, and through branches brochiolus and next to the sacs named alveoli, this is place where the gases exchanged.

When we exhale the waste gasses changed inside alveoli brings out through bronchiolus , bronchi and trachea finally come out from mouth.​

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​Single ALVEOLI.

small sacs that arranged like bunches of grapes, and acts as the site for gas exchanged​

By: SILVIA YANTI,S.T​

WHAT IS ALVEOLUS?

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