blue......................
Answer: The nodes of Ranvier
Explanation: The speed of impulse conduction along an axon are increased by this.
Down syndrome is an example of a condition caused by trisomy<span>. People with Down syndrome typically have three copies of chromosome 21 in each </span>cell<span>, for a total of 47 chromosomes per </span>cell<span>. Monosomy, or the loss of one chromosome in </span>cells<span>, is another kind of aneuploidy</span>
It spreads by one person being around another
everyone who comes in contact with someone who has the virus
