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