Question

c) Flattened
Rate of breathing in an adult human is
a) 10-12/min
12-18/min
c)20-25/min
d) 30-35/min
Vital capacity of lungs is​

Answer 1

Answer:

At rest 12 - 25/min

After exercise over 25/mins

Answer 2

Answer:

Answer:(b) 12-18/min

Answer:(b) 12-18/minExplanation:

Answer:(b) 12-18/minExplanation:B is right answer.

Answer:(b) 12-18/minExplanation:B is right answer. Please Mark as Brainlist Answer