Breathing rate in human beings in normal condition is
A. 12-15 times in a minute
B. 15-18 times in a minute
C. 18-22 times in a minute
D. 22-25 times in a minute
Answer:B
Breathing rate in human beings in normal condition is
A. 12-15 times in a minute B. 15-18 times in a minute C. 18-22 times in a minute D. 22-25 times in a minute