1 meter per second

100 miles per hour

1 foot per second

150 meters per second

wire

nerve

the brain

muscle

stem cells

muscle cells

glial cells

prison cells

10 years

1 year

100 years

1 month

stem cells

liver cells

skin cells

muscle cells

Purkinje neurons

pyramidal neurons

multipolar neurons

bipolar neurons

telegraph

hormonal

proteins

electrical impulses

a nerve

spinal cord

all of the above

brains

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body