What do we know about neurons?

✔️One of the two main types of cells in the nervous system are neurons.

🔬✍️They can be distinguished from other cells in a number of ways, but their most fundamental property is that they communicate with other cells via synapses, which are junctions containing molecular machinery allowing rapid transmission of electrical or chemical signals.

🔬✍️Many types of neuron possess an axon, a protoplasmic protrusion that can extend to distant parts of the body and make thousands of synaptic contacts.

✍️Even in the nervous system of a single species, hundreds of different types of neurons exist, with various morphologies and functions. For example, sensory neurons transmute physical stimuli such as light and sound into neural signals, and motor neurons transmute neural signals into activation of muscles or glands. In many species, though, the majority of neurons receive all of their input from other neurons and send their output to other neurons.

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