telegraph
electrical impulses
proteins
hormonal
Purkinje neurons
multipolar neurons
pyramidal neurons
bipolar neurons
1 month
1 year
100 years
10 years
150 meters per second
1 foot per second
1 meter per second
100 miles per hour
True or False: Damage to your nervous system can cause paralysis.
glial cells
stem cells
prison cells
muscle cells
skin cells
liver cells
they help carry oxygen to different parts of your body
they regenerate very quickly
they are very long compared to other cells in the body
they do not have a nucleus
the brain
nerve
muscle
wire
spinal cord
brains
a nerve
all of the above