1 year

1 month

10 years

100 years

muscle cells

stem cells

glial cells

prison cells

muscle cells

skin cells

liver cells

stem cells

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

hormonal

proteins

electrical impulses

telegraph

they are very long compared to other cells in the body

they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

1 meter per second

150 meters per second

100 miles per hour

1 foot per second

nerve

the brain

muscle

wire

spinal cord

a nerve

brains

all of the above