Question

why ?
what is respiratory system in human being?​

Answer 1

Explanation:

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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.

Answer 2

• Respiratory system consists of nose, pharynx, larynx, trachea,bronchi,and lungs
• it helps us to respire that is to inhale oxygen and exhale co2