Giải phẫu người 3

Continuous Mixing of Body Fluids
Figure 26.3
Nerve cells are the functional unit of the nervous system
The chemical synapse
Types of small molecule
neurotransmitters

There are also peptide nts
Once the action potential is generated it will spread passively.
However this is not enough; the membrane potential change would dissipate over the distance of a typical axon
The signals get summed and regenerated at the axon hillock
The passive spread of
an electrical signal