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