What is human respiratory system?
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A human respiratory system is a system which is responsible for the exchange of gases i.e oxygen and carbon dioxide. The main of respiratory system are lungs.
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Human respiratory system is the process of intake of environmental oxygen gas and releasing of co2 after the oxidation of food materials...
It involves four steps ..
intake of air , oxidation of food , releasing of energy and foul air..
It involves four steps ..
intake of air , oxidation of food , releasing of energy and foul air..
Sahilkatoch47:
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