Breathing And Exchange Of Gases Animal Respiration Question 23
Question: Alveoli increase the surface area by:
Options:
A) 10 $ m^{2} $
B) 100 $ m^{2} $
C) 150 $ m^{2} $
D) 200 $ m^{2} $
Show Answer
Answer:
Correct Answer: B
Solution:
[b] Alveoli are tiny air sacs within the lungs where exchange of oxygen and carbon dioxide takes place.
These tiny alveoli, structures taken all together form a very large surface area to do the work of breathing.
The alveoli cover a surface that measures more than 1,076.4 square feet (100 square metre).
BETA
