Question

what is the respiratory system

Answer 1

Respiratory system is an organ system which has the function of breathing and respiration i.e., oxidation of glucose to produce energy units called ATP(Adenosine TriPhosphate). In humans, it consists of nasal cavity, Trachea, Bronchi, Bronchioles, Alveoli and lungs.
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Answer 2

The respiratory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants.

The main parts of this system are the
Nose/ mouth
Trachea
LungsTrachea
Heart