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