It serves to polarization by transmission through a filter. <span>A Polaroid filter is a device used to polarize light. The device filters out one-half of the vibrations of unpolarized light as the light passes through the filter. Unpolarized light enters the Polaroid filter and the polarized light goes out from the filter. The unpolarized light becomes polarized.</span>
Answer:
Axon hillock
Explanation:
Neuron or nerve cell is excitable cell of the nervous system which consists of cell body or soma (karyon), dendrites and an axon. Dendrites are short, numerous filaments responsible for the signal receiving. On the other hand, axon is long ant it originates form the cell body from the swelling called axon hillock. At the end of an axon there are axon terminals from which neuron can transmit a signal another cell.
The answer is the <span>Immune system</span>