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