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