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