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