1 month

10 years

1 year

100 years

stem cells

muscle cells

skin cells

liver cells

hormonal

electrical impulses

telegraph

proteins

muscle cells

stem cells

prison cells

glial cells

wire

muscle

the brain

nerve

100 miles per hour

1 meter per second

1 foot per second

150 meters per second

brains

a nerve

all of the above

spinal cord

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body