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