electrical impulses
telegraph
hormonal
proteins
skin cells
liver cells
muscle cells
stem cells
multipolar neurons
bipolar neurons
pyramidal neurons
Purkinje neurons
brains
all of the above
a nerve
spinal cord
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
the brain
nerve
wire
muscle
1 meter per second
150 meters per second
1 foot per second
100 miles per hour
prison cells
glial cells
True or False: Damage to your nervous system can cause paralysis.
100 years
1 year
1 month
10 years