asked 233k views
2 votes
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

2 Answers

3 votes

Answer:

A

Step-by-step explanation:

answered
User Rickyalbert
by
8.1k points
3 votes
A - The alveoli have a membrane that is only one cell thick to allow for a short diffusion time to capillaries.  
answered
User Qubits
by
8.1k points
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