all of the above

a nerve

brains

spinal cord

skin cells

muscle cells

liver cells

stem cells

wire

nerve

the brain

muscle

1 month

10 years

100 years

1 year

Purkinje neurons

pyramidal neurons

multipolar neurons

bipolar neurons

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

proteins

hormonal

electrical impulses

telegraph

stem cells

glial cells

muscle cells

prison cells

1 meter per second

150 meters per second

100 miles per hour

1 foot per second