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