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