Across
- 4. nerve cells that are activated by sensory input from the environment
- 5. cells that send commands from the brain to the muscles to carry out functions
- 8. a force acting briefly on a body and producing a finite change of momentum
- 9. which transmits impulse between other neurons
- 10. a thing or event that evokes a specific functional reaction in an organ or tissue
Down
- 1. the network of nerve cells and fibers which transmits nerve impulses between parts of the body
- 2. a cell that receives and sends messages from the body to the brain and back to the body
- 3. the organ inside the head that controls all body functions of a human being
- 6. a change in the organism resulting from the detection of a stimulus
- 7. a point at which a bone end and is connected to the other by cartilage