Question

Name the first step in the process of respiration .where does it take place? name the first stable product of this process?

Answer 1

the air first passes through the wind pipe and to the lungs. The lungs has many air sacs in it.it changes the oxygen into carbondioxide.The air is released into the atmosphere.

Answer 2

the first step is  in process of respiration is the air is inhaled through our nose the air we inhaled passes through our nassel cavity then it passes wind pipe then it reaches the lungs the main part of respiration takes place in lungs the overall product of this is co2 also known as carbondioxide