1 year

100 years

10 years

1 month

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

muscle cells

liver cells

stem cells

skin cells

muscle cells

prison cells

glial cells

stem cells

electrical impulses

proteins

hormonal

telegraph

100 miles per hour

1 meter per second

150 meters per second

1 foot per second

the brain

muscle

nerve

wire

pyramidal neurons

multipolar neurons

bipolar neurons

Purkinje neurons

a nerve

spinal cord

brains

all of the above