1 month

100 years

1 year

10 years

the brain

wire

muscle

nerve

stem cells

muscle cells

skin cells

liver cells

stem cells

prison cells

glial cells

muscle cells

1 foot per second

150 meters per second

1 meter per second

100 miles per hour

spinal cord

brains

all of the above

a nerve

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they regenerate very quickly

they do not have a nucleus

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

electrical impulses

telegraph

hormonal

proteins