This Site Might Help You. RE: Measuring volume in &#39;cl&#39;? When measuring volume in ..for example &#39;50cl&#39; what does the &#39;cl&#39; stand for and how many ml&#39;s are in 50cl?E: Measuring volume in &#39;cl&#39;? When measuring volume in ..for example &#39;50cl&#39; what does the &#39;cl&#39; stand for and how many ml&#39;s are in 50cl?
Answers (5) Every cell in your body. Respiration takes place when glucose are used and change to energy. There are two types of respiration. in human beings,respiration takes place in lungs and in plants it takes place in all cells of the body. it takes place in the respiratory system. The respiratory system is composed of lungs throat etc.
In mammals diffusion occurs at 2 places in the respiratory system. The first place it occurs is in the lungs. The carbon dioxide from the blood diffuses into the lungs and the oxygen in the lungs diffuses into the blood.