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Where does diffusion of oxygen and carbon dioxide take place in the lungs?
a. alveoli and capillaries
b. bronchi and thorax
c. cilia and pleura
d. epiglottis and larynx

Respuesta :

Nicole14510
A - The alveoli have a membrane that is only one cell thick to allow for a short diffusion time to capillaries.  
devonduke14

Answer:

A

Explanation:

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