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