10 years

1 year

100 years

1 month

muscle cells

liver cells

skin cells

stem cells

muscle cells

prison cells

stem cells

glial cells

muscle

wire

nerve

the brain

they regenerate very quickly

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

bipolar neurons

pyramidal neurons

multipolar neurons

Purkinje neurons

electrical impulses

hormonal

telegraph

proteins

150 meters per second

1 meter per second

1 foot per second

100 miles per hour

all of the above

brains

spinal cord

a nerve