Question

----neuron fibre conduct ------impulse​

Answer 1

Answer:

Neurons are information messengers. They use electrical impulses and chemical signals to transmit information between different areas of the brain, and between the brain and the rest of the nervous system. Everything we think and feel and do would be impossible without the work of neurons and their support cells, the glial cells called astrocytes (4) and oligodendrocytes (6).

Neurons have three basic parts: a cell body and two extensions called an axon (5) and a dendrite (3). Within the cell body is a nucleus (2), which controls the cell’s activities and contains the cell’s genetic material. The axon looks like a long tail and transmits messages from the cell. Dendrites look like the branches of a tree and receive messages for the cell. Neurons communicate with each other by sending chemicals, called neurotransmitters, across a tiny space, called a synapse, between the axons and dendrites of adjacent neurons.

There are three classes of neurons:

Sensory neurons carry information from the sense organs (such as the eyes and ears) to the brain.

Motor neurons control voluntary muscle activity such as speaking and carry messages from nerve cells in the brain to the muscles.

All the other neurons are called interneurons

Explanation:

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