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