electrical impulses
telegraph
proteins
hormonal
the brain
muscle
wire
nerve
100 years
1 month
1 year
10 years
muscle cells
liver cells
skin cells
stem cells
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
glial cells
prison cells
100 miles per hour
1 meter per second
150 meters per second
1 foot per second
brains
a nerve
all of the above
spinal cord
True or False: Damage to your nervous system can cause paralysis.
bipolar neurons
Purkinje neurons
pyramidal neurons
multipolar neurons