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