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