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