The air reaching exchamge part of respiratory system is?
a. Humid and rich in CO2
b.Warm,himid and rich in CO2
c. Watm ,humid and rich in O2
d. Warm ,dry and rich in CO2 and O2
Answers
Answered by
0
Answer:
it is b.
b.Warm,himid and rich in CO2
follow me and please mark as the brainliest my friend u will get 3 points
Answered by
0
Answer:
a
Explanation:
A.humid and rich in CO2
Similar questions