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The Nervous System (What is a nerve impulse? (Synaptic Transmission (when…
The Nervous System
What is a nerve impulse?
electrical signal
from dentrites to axon
communication from receptors to effectors
the sodium ions and potassium ions changes places
Synaptic Transmission
when nerve comes to the end of the axon
the junction
neurotransmitters pass by this
Neurons
have cell membrane
cytoplasm
nucleus
other organelles
unique appearance
Transmit messages
Parts of a neuron
Dentrites
Axon
Cell body
Types of Neurons
Sensory Neurons
carry messages from receptors to central
Motor Neurons
carry mensajes from central to effectors
Interneurons
central nervous system