Neurons
Parts of a Neuron
- Dendrites - receive chemical reactions from other neurons and they look similar to tree branches.
- Nucleus - controls the development of the cell and holds the DNA information.
- Soma/Cell body - main section of the cell.
- Axon - processes the electrical impulses further.
- Myelin Sheath - is wrapped around the axon many times to protect it and assists in the transference of the electrical signal.
- Axon Terminal - turns the electrical signal into a chemical message for the next neuron.
- Schwann Cell - produces the 'myelin sheath' around the 'axon'.
- Node of Ranvier - the gaps between the 'myelin sheath'.
Brain cells are otherwise known as the 'neurons'. Neurons are similar to messengers because they send messages to the brain via 'electrical impulses'. These electrical signals are constantly being carried and passed to other neurons throughout the brain, as they are the main cell which makes up most your brain and the rest of your nervous system. Stimulus is when you react to a feeling or when a memory is recalled. Nerves will constantly react to the five senses (touch, taste, smell, hear and seeing).
If a memory, feeling or if one of the five senses is activated, a message will be sent to the brain and commands or orders will be given to the rest of the body. In order for communication between neurons, an electrical signal must be sent to the dendrites, which is processed further through the axon and is turned into a chemical signal in the axon terminal bundle. The next neuron will collect the chemical signal via the dendrite and the cycle goes on until the message is finally received.
Interesting fact:
You have 100s of billion neurons in the brain.
Why are they so important?
Neurons are important to have because they send messages to each other via 'electrical signals', so we can function properly. They also help us recall memories and feelings by sending the electrical impulses through a chemical message. Finally, they send messages to the brain, emotional or physical so that we know how to react.
If a memory, feeling or if one of the five senses is activated, a message will be sent to the brain and commands or orders will be given to the rest of the body. In order for communication between neurons, an electrical signal must be sent to the dendrites, which is processed further through the axon and is turned into a chemical signal in the axon terminal bundle. The next neuron will collect the chemical signal via the dendrite and the cycle goes on until the message is finally received.
Interesting fact:
You have 100s of billion neurons in the brain.
Why are they so important?
Neurons are important to have because they send messages to each other via 'electrical signals', so we can function properly. They also help us recall memories and feelings by sending the electrical impulses through a chemical message. Finally, they send messages to the brain, emotional or physical so that we know how to react.
Bibliography
Neuron Information Sites:
http://webspace.ship.edu/cgboer/theneuron.html
https://faculty.washington.edu/chudler/synapse.html
https://faculty.washington.edu/chudler/cells.html
Neuron Images:
https://www.google.com.au/search?q=neuron+for+kids&espv=2&biw=1097&bih=555&tbm=isch&imgil=yEj7R2M-bmw_XM%253A%253BMJdhwKEIFiHnfM%253Bhttp%25253A%25252F%2525
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http://www.pageresource.com/wallpapers/wallpaper/texture-neuron-spark-digital-art-and-gns-neusenz_2511284.jpg
http://images.tutorvista.com/content/feed/tvcs/neuron.jpg
Neuron Information Sites:
http://webspace.ship.edu/cgboer/theneuron.html
https://faculty.washington.edu/chudler/synapse.html
https://faculty.washington.edu/chudler/cells.html
Neuron Images:
https://www.google.com.au/search?q=neuron+for+kids&espv=2&biw=1097&bih=555&tbm=isch&imgil=yEj7R2M-bmw_XM%253A%253BMJdhwKEIFiHnfM%253Bhttp%25253A%25252F%2525
2Ffarrakhanfactor.com%25252Fforums%25252Fviewtopic.php%25253Ff%252
5253D9%25252526t%2525253D52293%25252526start%2525253D15&source
=iu&pf=m&fir=yEj7R2M-bmw_XM%253A%252CMJdhwKEIFiHnfM%252C_&usg=__NWZ-HxYu5rBBPF4w_UE4SLFQAag%3D&ved=0CDMQyjdqFQoTCPyKjtKqicYCFVKqvA
od40cABQ&ei=BmJ6VfzvLdLU8gXjj4Eo#imgdii=z4neJW0TGaxkEM%3A%3Bz4neJW0
TGaxkEM%3A%3BLCWiW-Nqw6ivvM%3A&imgrc=z4neJW0TGaxkEM%253A%3BD0lhxeAZxnBJ5M%3B
http%253A%252F%252Fidahoptv.org%252Fdialogue4kids%252Fseason3%252F
brain%252Fimages%25
2Fneuron.jpg%3Bhttp%253A%252F%252Fidahoptv.org%252Fdialogue4kids%252
Fseason3%252Fbrain%252Ffacts.cfm%3B300%3B150
http://www.pageresource.com/wallpapers/wallpaper/texture-neuron-spark-digital-art-and-gns-neusenz_2511284.jpg
http://images.tutorvista.com/content/feed/tvcs/neuron.jpg