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