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