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