wire

the brain

muscle

nerve

1 meter per second

1 foot per second

150 meters per second

100 miles per hour

liver cells

skin cells

muscle cells

stem cells

a nerve

spinal cord

all of the above

brains

1 year

100 years

1 month

10 years

glial cells

muscle cells

stem cells

prison cells

multipolar neurons

pyramidal neurons

Purkinje neurons

bipolar 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

proteins

telegraph

hormonal

electrical impulses