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photoshop1234 [79]
3 years ago
5

What part of the respiratory system is composed of a single layer of epithelial tissues surrounded by a network of capillaries?

a. alveoli b. trachea c. bronchiole
Biology
2 answers:
Snowcat [4.5K]3 years ago
7 0

Answer:

Alveoli

Explanation:

  • Alveoli is the part of the respiratory system which forms the site for an exchange of gases.
  • The exchange is essential to release out carbon dioxide and take in oxygen.
  • Alveoli being the site of gaseous exchange should have the essential features of a good respiratory surface which are -<em> thin, moist and enriched with blood vessels.</em>
  • Due to this, the alveoli are made up of a single layer of epithelial cell and has a network of capillaries surrounding it that carry blood to facilitate the exchange the gases.
svetlana [45]3 years ago
6 0
I think the correct answer from the choices listed above is option A. It is the alveoli that is composed of single layer <span>surrounded by a network of capillaries. These are used to allow oxygen and carbon dioxide to move from the lungs to the bloodstream.</span>
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