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