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