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