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