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