Download 2nd class Nervous System

Nervous
System
Pennsylvania State standards
 10.1.9
Analyze the interdependence
existing among the body system.
What you will learn today!
 Describe
the parts and functions of the
nervous system.
 Discuss the problems of the nervous
system.
 Describe ways to care for the nervous
system.
Warm-up
What
do you know about the
human nervous system?
How does the nervous system
work?
Vocabulary
 Neurons
 Central
Nervous system (CNS)
 Peripheral Nervous system (PNS)
 Somatic system
 Autonomic system.
Neuron
 On
page 3 and
4 Neurons fill in
the diagram.
Vocabulary





Neurons – Nerve cell
that carries
information.
Central Nervous
system (CNS) – This
system includes the
brain and spine only.
Peripheral Nervous
system (PNS) –
Connects the brain
and spine to all parts
of the body.
Somatic system –
With the action that
you control.
Autonomic system –
Deal with actions
you do not control.
Parts of the Brain



Skull – protects the
brain.
Cerebrum (side)
largest part of the
brain. Controls the
senses, movement
of muscles, thinking
and speech.
Turn to pages 22
Nervous system
functions, and
pg23 Nervous
system at work. Fill
in the diagrams!
Parts of the Brain



Cerebellum – controls
the balance, posture,
and coordination.
Medulla – controls
automatic body
function (breathing,
heart beating,
digestion, and blood
pressure.
Fill in diagrams on
page 24 Exploring
your brain, and page
25 Nervous system.
Lobes of the brain
 There
are three
lobes of the
human brain.
 There is two
Hemisphere left
and right.
 Dividing the
hemisphere is
the longitudinal
fissure.
Middle of the brain
 Midbrain
– is the
Pons, Medulla,
and Brain stem.
 Pictures are
from AMA
website
http://www.am
aassn.org/ama/p
ub/category/71
49.html
Problems of the nervous
system.
 Head
injury – Blow to the head which
violent jarred the brain to hit the skull.
Called a concussion.
 Spinal cord injury – Damage from the
head, neck, or body. Paralysis of all parts
of the body may happen.
 Nerve inflammation – followed by minor
injury which pinches the nerve causing
pain in signal part of the body.
Diseases of the Nervous system

Non injury related. Degenerative – that
means become worse over time.




Sclerosis – s of the spine
Multiple sclerosis (MS) protective covering of
nerves are damaged and the nerves do not
work.
Alzheimer’s – Inflamed of the brain and death of
neurons.
Meningitis – Is the lining of the brain that is
inflaming and can lead to death if untreated.
Disease of Nervous system
 Epilepsy
– Cause the person to have
seizures. This can be controlled with
medication.
Care of the Nervous system
 Get
enough sleep.
 Avoid alcohol an other drugs
 Play safely
 Wear seatbelts when drive in automobiles
 Obey all traffic rules and safety rules.
 Wear helmet when riding bike or
motorcycle.
WILT

With the information in your Human workbook
and your notes. Write a 2 page paper on the
Nervous System. Answer the following question by
explaining:





Paragraph 1: What are the parts of the Nervous
system and how do they work?
Paragraph 2: What parts of the body need the
nervous system?
Paragraph 3: What are problems of the nervous
system?
Paragraph 4: What are some of the ways to care
for the nervous system?
Also the crossword puzzle Control Central is extra
credit if it is filled in correctly. Found on page 26.