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