2. What is your nervous system?

3. YOUR CHEMICAL SENSES

4. Our chemical sense of taste and smell tells our brains……

5. Our chemical senses have a lot in common……

6. Chemicals

7. Our sense of taste and smell tells our brains…… What How Much

8. How do we taste and smell? Chemical Molecule Receptor Cell DEMO

9. Before the chemicals can connect with their receptor cells,…. ….they must dissolve.

10. How do we taste and smell different things?

11. Different taste cells tell your brain about different tastes. Sweet UmamiBitter Sour Salty DEMO

12. The receptors in your nose catch the molecules in the air. 3,000 – 10,000 DEMO

13. Our senses of taste and smell let pieces of the world……. …touch our nervous system.

14. Receptors on taste cells send messages to your brain.

15. The “smell” receptors send information into your brain.

16. Our sense of smell lets us find out about… …things that are far away. DEMO

17. Did you know that you smell? Everyone has their own smell – a smell print.

18. Our sense of taste and our sense of smell work together. + = Flavor

19. YOUR CHEMICAL SENSES