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The nervous system 2
Welcome everyone!
Today:
Discussing homework (WB page 54)
Explanation about nervous system
Making exercises
1 / 11
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Tekstslide
Biologie
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vwo
Leerjaar 3
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Welcome everyone!
Today:
Discussing homework (WB page 54)
Explanation about nervous system
Making exercises
Slide 1 - Tekstslide
What are we going to learn to day?
Today we will be learning:
What the nervous system consists of.
How the nervous system generally works.
Slide 2 - Tekstslide
Nervous system
The nervous system, just like your endocrine system makes sure communication within your body takes place.
It has 2 parts:
the central nervous system and the peripheral nervous system.
Slide 3 - Tekstslide
Receptor --> effector
Slide 4 - Tekstslide
Neurones
While the cell body are always in or around the CNS (central nervous system), the ''legs'' (axons) of neurones can get very long.
Slide 5 - Tekstslide
Impulse frequency
Slide 6 - Tekstslide
Neurones
Neurones pass a impulse over to another neuron through a synapse, where a certain chemical (neurotransmitter) flows through.
Slide 7 - Tekstslide
Neurotransmitters
Slide 8 - Tekstslide
Nerves
Slide 9 - Tekstslide
Reflexes
Sometimes your body needs to react very fast, or it does something autonomously. It does so through reflexes.
During reflexes, the brain doesn't make a new impuls. But the impuls gets to the
spinal cord
, and them immediately goes to the effector.
Slide 10 - Tekstslide
Get to work!
The homework for next week are the exercises of page 57 of the workbook and the corresponding exercises of the textbook.
Slide 11 - Tekstslide
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