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