10 years

1 year

100 years

1 month

muscle cells

stem cells

skin cells

liver cells

bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

the brain

nerve

muscle

wire

prison cells

muscle cells

stem cells

glial cells

all of the above

brains

a nerve

spinal cord

1 foot per second

150 meters per second

1 meter per second

100 miles per hour

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

telegraph

hormonal

proteins

electrical impulses