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