Nervous system Crossword

This printable crossword puzzle on the topic of Human Body Systems has 12 clues. Answers range from 4 to 23 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

made up of your brain and your spinal cord
made up of the nerves that carry messages to and from the CNS and other parts of your body.
nerve cells
electrical messages
contains the nucleus, which is the control centre of the cell.
branch out from the cell body and receive messages from other nerve cells,
sends nerve impulses in only one direction—away from the cell body
these carry messages from the CNS to effectors
muscles or glands
these carry messages from cells in the sense organs (such as your eyes, ears, tongue and skin) to the brain and spinal cord.
the space between the neurones
the nerve impulse reaches the knobs at the end of an axon, a chemical is released