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