100 years

1 year

1 month

10 years

the brain

muscle

wire

nerve

bipolar neurons

Purkinje neurons

pyramidal neurons

multipolar neurons

stem cells

muscle cells

skin cells

liver cells

all of the above

a nerve

spinal cord

brains

stem cells

glial cells

prison cells

muscle cells

hormonal

electrical impulses

telegraph

proteins

150 meters per second

1 meter per second

100 miles per hour

1 foot per second

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly