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