What tiny parts of the central nervous system handle passing messages and nerve impulses? neurons
spinal cord
white matter
brain stem

Explanation:

Spinal cords handle passing messages and nerve impulses.

In the broad sence the message passing impulse part is neurons which is divided into central nervous system and peripheral nervous system but tiny part of central nervous system is spinal cord..

true

explanation:

a genogram (also known as a mcgoldrick-gerson study, a lapidus schematic or a family diagram) is a pictorial display of a person's family relationships and medical history. it goes beyond a traditional family tree by allowing the user to visualize hereditary patterns and psychological factors that punctuate relationships.