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