all of the above

brains

spinal cord

a nerve

Purkinje neurons

pyramidal neurons

bipolar neurons

multipolar neurons

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

glial cells

prison cells

stem cells

muscle cells

1 month

10 years

1 year

100 years

hormonal

proteins

electrical impulses

telegraph

liver cells

muscle cells

skin cells

stem cells

150 meters per second

1 meter per second

100 miles per hour

1 foot per second

nerve

muscle

the brain

wire