Download Nervous System

BIOL 203 Lab
Nervous System Overview
Nervous System
I.
______________________________________  Brain & Spinal Cord
II.
______________________________________  Cerebral & Spinal Nerves
A. _____________ (_______________) Division = Input
B. _____________ (_______________) Division = Output
1.
___________________ Nervous System = Movement
= Controlled
2.
___________________ Nervous System = Body Processes
= Automatic
a.
________________________ Division = Stress, Action, “Fight or Flight”
b.
________________________ Division = Rest, Digestion, Repair
2 Types of Cells
1.
2.
_________________ = Nerve Cell
a.
___________________ = Motor
= Output
b.
___________________ = Sensory
= Input
c.
___________________ = Sensory
= Special Senses (see, hear, taste, smell)
___________________ = Support Cells


Schwann Cells  ___________________________ surrounded by _____________________
Others
All Neurons Have:
1.
2.
Cell Bodies – grey matter
a.
Clusters of cell bodies in the CNS = ________________
b.
Clusters of cell bodies in the PNS = ________________
Processes – white matter
a.
CNS = _______________
b.
PNS = _______________
1) _________________ = Receptive regions
2) _________________ = Impulse generator, transmitter
3) _________________ = Terminal branches
BIOL 203 Lab
Nervous System Overview
Word bank
Afferent
Neurilemma
Autonomic Nervous System (ANS)
Neuroglia
Axons
Neurons
Bipolar
Nuclei
Central Nervous System (CNS)
Parasympathetic division
Dendrites
Peripheral Nervous System (PNS)
Efferent
Pseudounipolar
Ganglia
Sensory
Motor
Somatic Nervous System (SNS)
Multipolar
Sympathetic division
Myelin Sheath
Telodendria
Nerves
Tracts
BIOL 203 Lab
Nervous System Overview
ANSWERS:
Nervous System
I. Central Nervous System (CNS)
II. Peripheral Nervous System (PNS)
A. Sensory ( Afferent )
B. Motor ( Efferent )
1. Somatic Nervous System (SNS)
2. Autonomic Nervous System (ANS)
a. Sympathetic Division
b. Parasympathetic Division
2 Types of Cells
1. Neuron
a. Multipolar
b. (Pseudo)Unipolar
c. Bipolar
2. Neuroglia
* Myelin sheath, Neurilemma
All Neurons Have:
1.
a. Nuclei
b. Ganglia
2.
a. Tracts
b. Nerves
1) Dendrites
2) Axons
3) Telodendria