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