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