Changes

==Key Stage 4==

===Meaning===

===About Taste===

: [[Taste]] allows [[animal]]s to detect certain [[chemical]]s in their food.

: When an [[animal]] detects a [[chemical]] in their [[mouth]] [[Receptor Cell|receptor cells]] in the tongue create an [[Action Potential|action potential]] which sends an [[Impulse (Biology)|impulse]] to the [[Central Nervous System|central nervous system (CNS)]].