(Waht do we need to know?)How does the tongue taste different tastes?

1. How many different taste are there?

2. How are taste-buds form?

3. New node

4. What if we have no tongue?

5. What is a tongue?

6. What are taste-buds on the tongue

6.1. What do taste-buds do?

6.2. What if we have no taste-buds?

6.3. What can affect the taste-buds?