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