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