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