1. The process by which a substance either synthesized or absorbed in one part of the body reaches another is called as transportation.
2. Systematic regulation of different processes is called as control.
3. Bringing about the different processes in the proper sequence is called as co-ordination.
4. Movement or growth of any part of the plant in response to an external stimulus is called as tropism or tropic movement.
5. Removal of waste or harmful substances from the body is called excretion.