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