chapter 2 notes, thursday-25 Flashcards
command central
central nervous system CNS
the brain and spinal cord can be called the
communication superhighway
neural cable connecting brain to other systems
spinal cord
controls reflexive movements
spinal cord
if the spinal cord is severed, what happens
different parts of the body can be rendered useless
this is made up of soft, jelly like bundle of nerves that are wrapped in insulating myelin
spinal cord
connects the CNS to the rest of the body through sensory and motor neurons
peripheral nervous system
lobe that is in the back of the brain
occipital lobe
lobe that is in the front of the brain
frontal lobe
twisting and stretching of axons is a
concussion
concussions result in
swelling of brain tissue.
how many neurons are in the brain
approx. 100 billion
keeps neurons alive
soma
provides structural support, nourishment, and helps form the myelin sheath and removes waste
glial