What is alveoli. explain function.
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Answer:
The alveoli are the functional unit of lungs. The air inhaled through the nostrils passes through the trachea and enter the lungs through bronchi. The bronchi further divide into bronchioles and finally end up in an air sac called alveoli.
The alveoli allow the diffusion of gases between the lungs and the blood by exchanging oxygen and carbon dioxide during the process of breathing in and breathing out. Oxygen breathed in from the air passes through the alveoli and into the blood and travels to the tissues throughout the body.
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Answer:
Alveoli is the bag like structure present in our lungs. it's present at the end of bronchioles. It's function is to exchange gasses from lungs to envoirment. Through simple diffusion gas enters the alveoli and into our blood , and dioxygenated gas from blood to envoirment.