Which of the following best describes what alveoli are? a. they are the smallest tubes in the respiratory system. b. they have a small amount of surface area. c. they are found on the end of bronchioles. d. they are comprised of millions of cells. select the best answer from the choices provided.

C. Eles são encontrados no final dos bronquíolos.

Explanation:

The pulmonary alveoli are tiny air sacs, present in the lungs, surrounded by blood capillaries and a thin membrane. They are located where the thin branches of bronchioles end. That is, they are found at the end of the bronchioles.

The alveoli can be presented alone or in groups, forming the so-called alveolar bags. In each lung there are millions of alveoli. They are responsible for the spongy aspect of the lungs.

The main function of pulmonary alveoli is to be the place where gas exchange between air and blood occurs, hematosis.

The answer option which best describes what alveoli are, is: C. They are found on the end of bronchioles.

Alveoli can be defined as tiny, balloon-shaped air sacs at the end of the bronchioles.

Basically, the alveoli is located within the lungs of living organisms, where the exchange of carbon dioxide () and oxygen normally takes place.

During the process of breathing in and breathing out (respiration), an alveolus is where the blood and the lungs exchange carbon dioxide () and oxygen.

In conclusion, alveoli are found on the end of bronchioles.

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answer; /// i believe that the correct answer is (c) the concentration of active ingredients in a medication

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