asked 58.4k views
5 votes
Which of the following are functions of the respiratory system?

a
Warm air
b
Humidify air
c
Filter air
d
Absorb CO2 into blood

asked
User TeaNyan
by
8.5k points

1 Answer

2 votes
Absorbing CO2 into the blood is a part of the respiratory system!
answered
User BDRSuite
by
7.7k points
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