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