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