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