stem cells

muscle cells

skin cells

liver cells

100 years

10 years

1 year

1 month

100 miles per hour

1 meter per second

150 meters per second

1 foot per second

prison cells

glial cells

stem cells

muscle cells

all of the above

a nerve

spinal cord

brains

nerve

wire

the brain

muscle

multipolar neurons

pyramidal neurons

bipolar neurons

Purkinje neurons

they regenerate very quickly

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

telegraph

electrical impulses

hormonal

proteins