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