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