That process is known as Respiration in which oxygen get exchanged from the carbon dioxide by alveoli...
The main function of the respiratory system is to allow the exchange of gases between the atmosphere and the lungs.
Hence,the only structure that carries out this function is the alveoli as other structures such as the nose,trachea and pharynx transport gases to the alveoli just so that it can can out its function.
Answer: 2,3,5,1,4 I hope I helped if thats what you wanted me to do for ya. I put them in order.
Complete question - Answer - Explanation:
Due to <u><em>technical problems</em></u>, you will find the complete question, the answer, and the explanation in the attached files.
I believe the answer would be B where the condensed chromosomes line up at the equator of the cell.