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