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