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