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