julietforever julietforever

09-11-2015
Biology

contestada

In which part of the human respiratory system does actual oxygen exchange take place?

A.
bronchi

B.
trachea

C.
diaphragm

D.
alveoli

Respuesta :

beanthemachine beanthemachine

09-11-2015

The answer is D: alveoli. These small sacks are how the oxygen is exchanged into the bloodstream in exchange for carbon dioxide.

Answer Link

ssaverance ssaverance

21-11-2018

i think it is D alveoli

Answer Link

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