What are examples of molecules (related to breathing that move by simple diffusion right through the membrane)
______Goes from higher concentration outside the cell into the cell; whereas _______
moves from higher concentration inside the cell to outside to be exhaled by our lungs.
After oxygen was distributed to somatic cells, there are higher concentraion of carbon dioxyde. Therefore, it will move out from our cell to be exhaled by lungs. Vice versa for oxygen
