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