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The alveoli, from the Latin alveolus, "little cavity" are an anatomical structure that have the form of hollow cavities. Found in the lung, the pulmonary alveoli are spherical outcroppings of the respiratory bronchioles and are the primary sites of gas exchange with the blood. Alveoli are only found in the lungs of mammals.
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What do the bronchioles connect?
The Bronchioles connect the brochi and the alveoli
What is bronchites?
A bronchus is a main branch of the airway located below the trachea and above the bronchioles.
What does acetylcholine do to bronchioles?
Constricts bronchioles leading to increased airway resistance and decreased air flow
Label the parts of bronchial tree?
respiratory zone is from respiratory bronchioles (generation 17-19) to alveolar ducts (generation 20-22) to alveolar sacs (generation 23). It is the site of gas exhange, where velocity of gas is low, and diffusion is the dominant mechanism of gas exchange.
Which part of the respiratory system divides into smaller and similar tubes in a pattern that resembles the branches of a tree?
trachea --> bronchi -->bronchioles --> alveoli
Is the alveoli located at end of bronchi?
They're located at the end of the bronchioles which are connected to the bronchi
What is the endpoint of bronchioles?
Respiratory bronchioles end in alveolar sacs (alveoli).
What structure is at the end of the smallest tubes in lungs?
alveoli
How does oxygen get into the lungs?
Through the Alveoli at the end the bronchioles
What are the air sacs at the end of the Bronchioles?
it is the alveoli..
What are the little sacks of air called at the end of the bronchioles?
hi
What are the tiny air sacs at the end of the smallest tubes in the lungs?
The smallest tube in the lungs is the Bronchus
Where are the cilia in the respiratory system located?
In the lining of the trachea, bronchi, and bronchioles.
What is the more common name for the alveoli?
The Air Sacs or The End of the Bronchioles.
What structures are at the end of the smallest tubes of the lungs?
Alveoli are at the ends of the bronchioles.
What structures are at the end of the smallest tubes in lungs?
Alveoli are at the ends of the bronchioles.
Where is the location of bronchioles?
Bronchioles are located in the lungs and are part of the respiratory system. They are smaller airways that branch off from the bronchi and carry air to the alveoli for gas exchange.
