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