Human respiratory system
Human respiratory system
The respiratory system takes up oxygen from the air we breathe and expels the unwanted carbon dioxide
The respiratory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants
system789 The respiratory system is a collection of organs that are essential for the process of breathing
excretory system The primary function of the respiratory system is to deliver oxygen to the cells of the body's tissues and remove carbon dioxide, a cell waste
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