Very Short Question and Answers - Structure and Function of Neuron

A neuron is the basic structural and functional unit of the nervous system, specialised for transmitting electrical impulses.

The main parts of a neuron are dendrites, cell body (cyton/soma), axon, and axon terminals.

The primary function of a neuron is to transmit electrical impulses, allowing different parts of the body to communicate.

Neurons are found in the brain, spinal cord, and all nerves throughout the body.

Dendrites receive electrical signals from other neurons and convey them towards the cell body.

The cell body contains the nucleus and cytoplasm, processes signals, and maintains the health and metabolism of the neuron.

The axon transmits the electrical impulse away from the cell body towards the axon terminals.

Myelin sheath is a fatty layer covering the axon that increases the speed of impulse transmission.

Axon terminals release neurotransmitters into the synapse, passing the impulse to the next neuron, muscle, or gland.

A synapse is the gap between two neurons, across which neurotransmitters travel to transmit signals.

An impulse is received by dendrites, processed in the cell body, travels along the axon, and is transferred by neurotransmitters at the axon terminals to the next cell.

Neurons transmit both electrical and chemical signals.

Neurons are like wires because they carry electrical impulses from one part of the body to another, similar to how wires carry electric current.

When you touch a hot object, sensory neurons detect heat and send signals to your brain.

Motor neurons carry impulses from the brain/spinal cord to muscles; for example, moving your leg to kick a football.

Interneurons connect sensory and motor neurons, playing a key role in reflex actions.

The nucleus contains genetic material and controls the cell’s activities.

Neurotransmitters are released by axon terminals into the synapse, carrying the impulse to the next cell.

About 100 billion neurons are estimated to be in the human brain.

Dendrites receive signals, cell body processes signals, axon conducts impulse away from cell body, and axon terminals pass the impulse to the next cell.