Similar to a small cut that heals itself after a short time, individual cells in our body suffer “wounds” in their protective layer, the cell membrane, every day and have to repair them again. Similar to a small cut that heals itself after a short time, individual cells in our body suffer “wounds” in their protective layer, the cell membrane, every day and have to repair them again. Cell & Microbiology Phys.org – latest science and technology news stories