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