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