1 year

10 years

100 years

1 month

skin cells

liver cells

stem cells

muscle cells

muscle cells

prison cells

stem cells

glial cells

spinal cord

a nerve

brains

all of the above

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

Purkinje neurons

multipolar neurons

pyramidal neurons

bipolar neurons

100 miles per hour

1 foot per second

150 meters per second

1 meter per second

telegraph

proteins

electrical impulses

hormonal

nerve

muscle

wire

the brain