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