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