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