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