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