Sodium Channel Potassium 

Question You are sleeping on your couch and a friend decides to play a joke on you . He first drops one drop of water on your forehead. You dont respond. Now he dropes 2 drops on your forehead. You still dont respond. Now he takes a glass of water and ppours it on your head . You jump up screaming at this point. Explain what is happening at the sensory neuron with each additionof water. And it the essay it should be used all this wards/termins Dendrite Visitor: 09:41 Graded potential Action potential Sodium Potassium Sodium channel Potassium channel Visitor: 09:42 Ligand or mechanical gated channel synaptic and bulb axon hillock axon Temporal Summation Spatial Summation please make sure you didnt miss any term of these thats all the idea of essay yes it should answer the question using all this ward