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