What is respiratory system ?
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The respiratory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The anatomy and physiology that make this happen varies greatly, depending on the size of the organism, the environment in which it lives and its evolutionary history.
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Explanation:
Respirotary systems is the system of body which helps in breathing. It comprises of nose, lungs, wind pipe, bronchi, avloili etc.
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