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