Question

the function of respiratory system in our body

Answer 1

The human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide. The primary organs of the respiratory systemare lungs, which carry out this exchange of gases as we breathe. ... The human body needs oxygen to sustain itself.

Answer 2

respiratory system has a vital function in our body it takes oxygen through our nostrils and from trachea to bronchi and then it reaches alveoli the capillaries stuck on the alveoli take the oxygen to the hurt and then Every cell to our body and leave carbon dioxide in the alveoli the same system repeats and carbon dioxide gets out of our body