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