100 miles per hour

1 foot per second

1 meter per second

150 meters per second

spinal cord

brains

all of the above

a nerve

muscle cells

skin cells

stem cells

liver cells

prison cells

stem cells

muscle cells

glial cells

muscle

wire

nerve

the brain

telegraph

hormonal

proteins

electrical impulses

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

10 years

100 years

1 year

1 month

pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons