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