Your peripheral nervous system includes the bunch of nerves outside your brain and nerves outside your spinal cord. Your central nervous system includes your actual spinal cord and brain.
One thing you could have done is sat down to breakfast. Your peripheral nervous system sent the information about what you smelled to your brain, and also sent nerves impulses to your brain to bend your legs. Your brain, which is in the central nervous system, can distinguish different smells.
This cell division is called mitosis, and it takes place during the last four phases of the cell life cycle: Prophase,Metaphase, Anaphase, and Telophase. The purpose of mitosis is to copy the genetic material so that whenTelophase has ended, the result is two genetically identical cells.