1 year

100 years

1 month

10 years

1 foot per second

1 meter per second

150 meters per second

100 miles per hour

wire

the brain

muscle

nerve

spinal cord

a nerve

all of the above

brains

muscle cells

stem cells

glial cells

prison cells

bipolar neurons

Purkinje neurons

multipolar neurons

pyramidal neurons

liver cells

stem cells

skin cells

muscle cells

electrical impulses

telegraph

proteins

hormonal

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