Describe Gas Exchange in the Lungs
Gas exchange is the delivery of oxygen from the lungs to the bloodstream and the elimination of carbon dioxide from the bloodstream to the lungs and out of the body. What gas exchange takes place in the lungs. Gaseous Exchange Between Alveoli And Capillaries Youtube Physiology Respiratory System Anatomy Human Anatomy And Physiology Partial pressure gradients allow gasses to flow from areas of high pressure to areas of lower pressure. . This diffusion is caused due to the differential partial pressure of the respiratory gases. In very small organisms there is no need to have a separate transportation system for gases as all its cells are directly involved in the exchange of gases by diffusion. The respiratory membrane separates the alveolar air on one side from the blood on the other. It describes both the bulk flow of air into and out of the lungs and the transfer of oxygen and. This process is completed in the lungs throu...