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