100 miles per hour

150 meters per second

1 meter per second

1 foot per second

the brain

wire

nerve

muscle

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

1 month

100 years

1 year

10 years

prison cells

glial cells

stem cells

muscle cells

proteins

telegraph

electrical impulses

hormonal

stem cells

skin cells

muscle cells

liver cells

multipolar neurons

Purkinje neurons

bipolar neurons

pyramidal neurons

spinal cord

brains

a nerve

all of the above