nervous system homework - weebly

1

Name:__________________________________1.Whichpartofthenervoussystemconsistsofthebrainandspine?________________________2.Whichpartofthenervoussystemcarriesmessagesouttobodyorgans?____________________

________________________________________________________________________________

3.Whatisaneuron?______________________________________________________________

4.Completethetablebelowtoshowthe3differenttypesofnervecellsandtheirfunction.

NerveCell

Function

SensoryNeuron

Interneuron

MotorNeuron

5.Labelthediagramoftheneuronbelow.6.Drawanarrowunderyourneurontoshowthedirectionanervesignaltravelsthroughthecell.7.Whenisanimpulseelectrical?___________________________________8.Whenistheimpulsechemical?___________________________________9.LabeltheneuralReflexbelowandanswerthequestionsthatfollow.

Nervous System Review

2

a. InregionF,thereisaspacebetweennervecellsCandD.HowdoescellDreceivethemessagefromcellC?

___________________________________

10.Whatprotectsthebrainandthespinalcord?________________________________________11.Fillinthetableshowingthepartsofthebrainandtheirfunctions.PartsofBrain

Function

Cerebrum

Cerebellum

Brainstem(Medulla)

3