10 years

1 year

100 years

1 month

prison cells

muscle cells

stem cells

glial cells

skin cells

stem cells

liver cells

muscle cells

the brain

nerve

wire

muscle

pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons

1 meter per second

1 foot per second

150 meters per second

100 miles per hour

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

electrical impulses

telegraph

proteins

hormonal

brains

a nerve

all of the above

spinal cord