wire

muscle

the brain

nerve

glial cells

stem cells

muscle cells

prison cells

skin cells

stem cells

liver cells

muscle cells

spinal cord

brains

all of the above

a nerve

pyramidal neurons

multipolar neurons

Purkinje neurons

bipolar neurons

proteins

electrical impulses

hormonal

telegraph

1 meter per second

100 miles per hour

150 meters per second

1 foot per second

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

1 year

10 years

1 month

100 years