100 years

1 year

1 month

10 years

muscle

nerve

the brain

wire

they are very long compared to other cells in the body

they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

pyramidal neurons

Purkinje neurons

bipolar neurons

multipolar neurons

skin cells

stem cells

muscle cells

liver cells

1 foot per second

1 meter per second

100 miles per hour

150 meters per second

glial cells

prison cells

muscle cells

stem cells

all of the above

a nerve

spinal cord

brains

proteins

electrical impulses

telegraph

hormonal