gneet

Study Companion

For more NEET and AIIMS mcq on Breathing and respiration Visit www.gneet.com
QUESTION
Q143) Inner alveolar surface area of human lungs is .....[ PMT 2000 ]

Try again

Try again

correct

Try again

A typical pair of human lungs contain about 700 million alveoli, producing 70m2 of surface area.
Answer : (c)