4. Notes should have all of these properties
Answer:
Myelin is an insulating layer, or sheath that forms around nerves, including those in the brain and spinal cord. It is made up of protein and fatty substances. This myelin sheath allows electrical impulses to transmit quickly and efficiently along the nerve cells.
Answer:
In short, poverty can change the way the brain develops in young children. The major reason for this effect is stress. Children growing up in poverty experience multiple stressful events: neighborhood crime and drug use; divorce, parental conflict, and other family problems, including abuse and neglect by their parents; parental financial problems and unemployment; physical and mental health problems of one or more family members; and so forth. Their great levels of stress in turn affect their bodies in certain harmful ways.
Explanation: