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