100 years

1 month

1 year

10 years

prison cells

muscle cells

glial cells

stem cells

the brain

nerve

wire

muscle

skin cells

stem cells

muscle cells

liver cells

100 miles per hour

1 meter per second

1 foot per second

150 meters per second

they help carry oxygen to different parts of your body

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body

bipolar neurons

Purkinje neurons

multipolar neurons

pyramidal neurons

telegraph

proteins

hormonal

electrical impulses

a nerve

all of the above

spinal cord

brains