stem cells

skin cells

muscle cells

liver cells

1 year

100 years

10 years

1 month

Purkinje neurons

bipolar neurons

pyramidal neurons

multipolar neurons

proteins

hormonal

telegraph

electrical impulses

150 meters per second

100 miles per hour

1 meter per second

1 foot per second

they regenerate very quickly

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

muscle

nerve

the brain

wire

a nerve

all of the above

brains

spinal cord

prison cells

stem cells

glial cells

muscle cells