Nervous system
Across
- 4. the site of transmission of electric nerve impulses between two nerve cell
- 6. is a group of nerves that comes from the spinal cord in the neck and travels down the arm, controlling the arm wrist shoulder and elbow.
- 7. They transmit impulses from the spinal cord to skeletal and smooth muscles,controlling our muscle movements.
- 8. a short branched extension of a nerve cell.
- 10. electrical impulses from the neuron travel away to be received by other neurons.
Down
- 1. is an enclosed cable like bundle of nerve fibres called axons.
- 2. Is a nerve cell that detects and responds to external signals.
- 3. is a column of nerve tissue that runs from the base of the skull down the center of the back.
- 5. Pain which runs down one or both legs from the lower back, caused when something’s in the spine presses on the nerve.
- 9. receive sensory input from the external world and sending motor commands to our muscles.