Question

What is nervous tissue

Answer 1

Nervous tissue or nerve tissue is the main tissue component of the two parts of the nervous system; the brain and spinal cord of the central nervous system (CNS), and the branching peripheral nerves of the peripheral nervous system (PNS), which regulates and controls bodily functions and activity. It is composed of neurons, or nerve cells, which receive and transmit impulses, andneuroglia, also known as glial cells or more commonly as just glia (from the Greek, meaning glue), which assist the propagation of the nerve impulse as well as providing nutrients to the neuron.

Answer 2

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✴A tissue which specialised to transmit message in our body is nervous tissue.

✴Brain, spinal cord and nerves are composed of nervous tissue.

✴Nervous tissue contains highly specialised units called Nerve cells or neurons.

✴Neurones have the ability to receive stimuli from within or outside to body and conduct (send) impulses (signals) two different parts of a body.

✴The impulse travels from one uan to another neuron.

✴The neurone has three parts:-

☞Cyton (Cell body) - Cell body contains a central nucleus and cytoplasm.

☞Dendrons or dendrites - These are short fibres which are rising from the cell body and further branching into dendrites.

☞Axon - This is a single long fibre. The axon has an insulating and protective cover of myelin around it (Myelin is made up of fat and proteins).