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