all of the above

brains

a nerve

spinal cord

telegraph

hormonal

proteins

electrical impulses

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

muscle cells

prison cells

stem cells

glial cells

stem cells

liver cells

muscle cells

skin cells

wire

the brain

muscle

nerve

Purkinje neurons

pyramidal neurons

multipolar neurons

bipolar neurons

100 miles per hour

1 meter per second

150 meters per second

1 foot per second

10 years

100 years

1 month

1 year