all of the above

a nerve

brains

spinal cord

multipolar neurons

bipolar neurons

Purkinje neurons

pyramidal neurons

proteins

telegraph

electrical impulses

hormonal

skin cells

liver cells

stem cells

muscle cells

10 years

100 years

1 year

1 month

1 foot per second

150 meters per second

100 miles per hour

1 meter per second

they do not have a nucleus

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

the brain

muscle

wire

nerve

prison cells

muscle cells

stem cells

glial cells