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