skin cells

liver cells

stem cells

muscle cells

wire

muscle

the brain

nerve

glial cells

muscle cells

stem cells

prison cells

brains

a nerve

spinal cord

all of the above

100 years

1 year

10 years

1 month

pyramidal neurons

Purkinje neurons

multipolar neurons

bipolar neurons

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

they regenerate very quickly

electrical impulses

proteins

hormonal

telegraph

1 meter per second

150 meters per second

100 miles per hour

1 foot per second