A cell wall is a structural layer surrounding some types of cells, just outside the cell membrane. It can be tough, flexible, and sometimes rigid. It provides the cell with both structural support and protection, and also acts as a filtering mechanism.
A positive attitude will help you exceed because you think you can do it with a negative attitude you dont think you can so your brain doesn't do the best it can be like the little blue train "I think I can I think I can I think I can"
