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