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