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