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