1 year

10 years

100 years

1 month

electrical impulses

proteins

telegraph

hormonal

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

they do not have a nucleus

wire

nerve

muscle

the brain

stem cells

liver cells

skin cells

muscle cells

stem cells

prison cells

muscle cells

glial cells

1 foot per second

100 miles per hour

1 meter per second

150 meters per second

spinal cord

all of the above

brains

a nerve

multipolar neurons

Purkinje neurons

bipolar neurons

pyramidal neurons