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