grade 9 - human coordination system
DESCRIPTION
Grade 9 - Human Coordination System Let's Enjoy It! :)TRANSCRIPT
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awan
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Messages or stimuli that are carried by neurons
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Reflex action
Voluntary action
Brain
Sensory
neurons
Motor neuron
s
reseptor efectorstimulus
respone
Spinal cord
Sensory
neurons
Motor neuron
s
reseptor efectorstimulus
respone
Impuls
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Cerebrum1
Cerebellum2
The Brain Stem(Medulla Oblongata)
3
The Spinal Cord(Medulla Spinalis)
4
1. Centrally control voluntary actions
2. Centrally control sense organs3. The control of memory4. The control of intelligence5. The control of emotionThe control of body balance
1.The control of the heartbeat and respiration
2.The control of saltpeter, sneezing, cough &yawn
Centrally control reflex actions
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Somatic nervous system
1
Autonomic nervous system
2
- 12 pairs of cranial nerves- 31 pairs of spinal nerve
- Sympathetic nerve- Parasympathetic nerve
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It is caused by the dilatation of blood vessels at the cerebral membrane (meninges), but it part of a symptom of another ailment
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Due to the disturbance of the electrical impulse conductor of the nerve cells,such as a brain tumor, trauma in the head, use of drugs or a congenital brain defect
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Experiences confusion and memory loss
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The cause of this disease is the imbalance of chemical substance in the nervous system.
The symptoms is: trembling of the arm, retardation of movements, and stiff muscles
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Caused by the polio virus infection in the spinal cord
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Caused by a virus infection or bacteria in the meninges (cerebral membrane and spinal cord)