10 years
100 years
1 year
1 month
stem cells
liver cells
muscle cells
skin cells
glial cells
prison cells
telegraph
proteins
hormonal
electrical impulses
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
bipolar neurons
pyramidal neurons
Purkinje neurons
multipolar neurons
1 foot per second
1 meter per second
100 miles per hour
150 meters per second
True or False: Damage to your nervous system can cause paralysis.
all of the above
spinal cord
brains
a nerve
nerve
muscle
wire
the brain