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