Some plant tissues are made up of dead cells. This does not affect the performance of their functions. For example, wood. It acts as a conductor of water through the plant’s body. Also, vessels perform this function in plants. Not all plants have wood. Then the vessels perform the conducting function. Also, plants have a cork. It is an integumentary tissue that is made up of dead cells. Of course, these tissues are formed by living cells, but after they die off, they continue to perform their function and are not replaced by new cells.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.