asked 9.5k views
2 votes
What are the 4 primary functions of the respiratory system?

1) exTchange of gas between atmosphere and blood
2) Homeostatic regulation of body pH
3) protection from inhaled pathogens and irritating substances
4) vocalization

asked
User Pln
by
7.9k points

1 Answer

6 votes

Answer:

answer is vocalization

answered
User DaxChen
by
7.7k points
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