EVERYDAY SCIENCE

SCIENCE

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the three types of neurons?
A
unipolar, hippopolar, crupolar
B
bipolar, mutlipolar, unipolar
C
bipoplar, chipolar, munpolar
D
chipolar, hipolar, kipolar
Explanation: 

Detailed explanation-1: -Unipolar neurons have one axon. Bipolar neurons have an axon and one dendrite extending from the cell body toward opposite poles. Multipolar neurons have multiple dendrites and a single axon.

Detailed explanation-2: -Unipolar neurons have only one structure extending from the soma; bipolar neurons have one axon and one dendrite extending from the soma. Multipolar neurons contain one axon and many dendrites; pseudounipolar neurons have a single structure that extends from the soma, which later branches into two distinct structures.

Detailed explanation-3: -A unipolar neuron has one axon which extends into dendrites, though this splits into two parts in pseudounipolar neurons. A bipolar neuron has two completely independent structures extending from the cell body, one of which is an axon and the other a dendrite.

Detailed explanation-4: -Multipolar neurons have many “dendrites” that extend from the cell body. Unipolar (or pseudounipolar) neurons have only a single extension from the cell body (this extension branches further away from the cell body).

Detailed explanation-5: -Sensory neurons. Motor neurons. Interneurons. Neurons in the brain.

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