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
brains
all of the above
a nerve
spinal cord
hormonal
telegraph
electrical impulses
proteins
bipolar neurons
multipolar neurons
pyramidal neurons
Purkinje neurons
1 year
100 years
1 month
10 years
stem cells
prison cells
muscle cells
glial cells
the brain
wire
nerve
muscle
1 foot per second
150 meters per second
100 miles per hour
1 meter per second
True or False: Damage to your nervous system can cause paralysis.
skin cells
liver cells