There are 3 sub atomic particles in an atom namely electron, proton, neutron. The charged species is known as ion.
For the answer to the question above, I will just complete the missing word for your statement.
<span>Regions of the CNS with an abundance of myelinated axons constitute the "White" matter. </span>
The answer is "white"
I hope my answer helped.
<span>The autonomic nervous system
The autonomic nervous system (ANS) is the part of the peripheral nervous system that acts as a control system, functioning largely below the level of consciousness and controlling visceral functions. The ANS affects heart rate, digestion, respiratory rate, salivation, perspiration, pupillary dilation, micturition (urination), and sexual arousal. The ANS is classically divided into two subsystems: the parasympathetic nervous system (PSNS) and sympathetic nervous system (SNS).</span>
By the number of rings inside the trunk
By calculating how long it would take light to reach a certain place in space. if it is one light year it would take light one year to read the destination.