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