Across
- 4. neurons Cells in the brain and spinal cord that allow basic functions by sending commands from the brain to carry out these functions
- 7. Our body system consisting of the brain and spinal cord
- 11. An organ or cell that acts in response to a stimulus
- 12. Tissue that creates and releases hormones that travel in the bloodstream all over the body
- 14. Where the necelus of the cell is located
- 15. A substance which the enzyme has the ability to react with
- 18. A small structure deep within the centre of the brain
Down
- 1. The chemical reactions in the body's cell that change food into energy
- 2. The cellular machinery responsible for producing proteins
- 3. Chemicals that coordinate different functions by carrying messages through your blood to organs and tissue
- 5. Made up of all the different hormones in the body, regulates all biological processes
- 6. Self regulation process to adapt to different environments while remaining balanced
- 8. Organelles, or cell parts that are often referred to as the "powerhouses" of cell (provides energy)
- 9. The receiving or input portion of a neuron, receives signals from other neurons
- 10. A cell or group of cells that binds to specific molecules,receives stimuli and causes a response in the immune system
- 13. The movement of molecules from an area of high concentration of molecules to an area of low concentration of molecules
- 16. Portion of a nerve cell that carries nerve impulses away from the cell body or brain
- 17. Proteins to help speed up metabolism, or chemical reactions in our bodies