What are the 4 primary functions of the respiratory system?
1) extchange of gas between atmos...
Biology, 19.11.2019 00:31 Thelazysandwich
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
Answers: 3
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Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell
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