Immune system of human beings responds to the antigen specifically and non specifically.
Non specific response consists of some physical and chemical barriers but in case of specific response, antibodies are produced specifically for the antibodies.
The T- cell and B- cells of the body works by coordinating between them, so if T-cell will not tend to produce cytokines, then B-cells of the body would not present antigens, as they work in coordination.
In many plant cells there is a single large central vacuole filled with liquid, pressure of the central vacuole allows plants to support heavy structures such as leaves and flowers. pro here here :D
