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Nervous system: with a focus on central nervous system - 1 :!: - Coggle…
Nervous system: with a focus on central nervous system - 1
:!:
Nervous system
Automatically or consciously:
:!!:
Consists of neurons
Communication through electrical impulses and chemical substances
The control system
Control and communication
keep balance
Homeostasis
: balance inside the body
Neuron types
Motor neurons
carrying info from central n.s to all organism tissues in the body.(to muscles, hormonal glands)
Interneurons
(connector or assosiation neurons) carrying info within the central n.s.
Sensory neurons
carrying info(noise, light) about sensory input to central nervous system
What about the communication?
The resting potential
is when inside of the cell negatively charged
The action potential
is when transmition start
What the frequency of action potention is telling us?? The strength of tha action potentiol is always same
Electrical impulses & chemical substances
The myelin sheat
Speed
Heals
save Energy
Synapse
the meeting point between two neurons. their strength and their purpose lie in their connections.
electrical
: the immadiate group text
chemical
: (use neurotansmitter) controlled, slower and more personal texts. much more abundant . more precise. selective
Neurotransmitters
Inhibitory (e.g., GABA, serotonin)
Both excitatory and inhibitory (depending on the receptor) (e.g., norepinephrine, acetylcholine, dopamine)
Excitatory (e.g., glutamate)