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