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