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