What is the difference between Ventilation and Respiration? â¢ Ventilation facilitates the process of respiration. Without ventilation, respiration cannot occur. â¢ The ventilation is the movement of air into and out of the lungs whereas the respiration is the exchange of oxygen and carbon dioxide.
Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Polypoid(adj) like a polyp; having the nature of a polyp, but lacking the tentacles or other parts. 2  Polypoid(adj) resembling a polypus in appearance; having a character like that of a polypus.
PVC (polyvinyl chloride) and FPO (Flexible polyolefin) share many common characteristics, neither can claim an overall superiority over the other, however particular characteristics of each of these two polymers can be exploited by the specifier to enhance the specification of their single ply roofing system.VC (polyvinyl chloride) and FPO (Flexible polyolefin) share many common characteristics, neither can claim an overall superiority over the other, however particular characteristics of each of these two polymers can be exploited by the specifier to enhance the specification of their single ply roofing system.