all of the above

brains

a nerve

spinal cord

wire

the brain

nerve

muscle

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

stem cells

liver cells

muscle cells

skin cells

electrical impulses

proteins

telegraph

hormonal

pyramidal neurons

multipolar neurons

Purkinje neurons

bipolar neurons

1 meter per second

1 foot per second

100 miles per hour

150 meters per second

1 year

100 years

1 month

10 years

stem cells

muscle cells

prison cells

glial cells