100 years

1 month

1 year

10 years

muscle

nerve

wire

the brain

150 meters per second

1 meter per second

100 miles per hour

1 foot per second

multipolar neurons

bipolar neurons

pyramidal neurons

Purkinje neurons

liver cells

skin cells

muscle cells

stem cells

telegraph

proteins

electrical impulses

hormonal

prison cells

glial cells

muscle cells

stem cells

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

spinal cord

a nerve

brains

all of the above