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
1 year
1 month
100 years
10 years
hormonal
electrical impulses
proteins
telegraph
nerve
muscle
the brain
wire
prison cells
muscle cells
stem cells
glial cells
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.
multipolar neurons
Purkinje neurons
bipolar neurons
pyramidal neurons
all of the above
spinal cord
a nerve
brains
skin cells
liver cells