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