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