liver cells

stem cells

muscle cells

skin cells

hormonal

electrical impulses

telegraph

proteins

muscle

wire

nerve

the brain

10 years

1 month

1 year

100 years

prison cells

glial cells

stem cells

muscle cells

Purkinje neurons

multipolar neurons

pyramidal neurons

bipolar neurons

they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

brains

all of the above

spinal cord

a nerve

1 foot per second

100 miles per hour

150 meters per second

1 meter per second