100 miles per hour

1 meter per second

1 foot per second

150 meters per second

a nerve

spinal cord

brains

all of the above

1 year

100 years

1 month

10 years

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

proteins

hormonal

electrical impulses

telegraph

pyramidal neurons

Purkinje neurons

multipolar neurons

bipolar neurons

stem cells

muscle cells

prison cells

glial cells

skin cells

stem cells

muscle cells

liver cells

the brain

muscle

nerve

wire