Health, 12.11.2019 16:31 kaileyy06

What is the main function of respiratory?
a)to circulate blood throughout the body by means of oxygenated air
b) to manage the intake of oxygen and the output of carbon dioxide
c) to make sure that air, rather than food, gets propelled through the airways
d) to allow room for air to push through into the lung cavity

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What is the main function of respiratory?
a)to circulate blood throughout the body by means...