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