stem cells

muscle cells

prison cells

glial cells

proteins

telegraph

hormonal

electrical impulses

100 years

10 years

1 year

1 month

nerve

muscle

the brain

wire

brains

spinal cord

a nerve

all of the above

150 meters per second

1 foot per second

100 miles per hour

1 meter per second

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

bipolar neurons

Purkinje neurons

multipolar neurons

pyramidal neurons

liver cells

muscle cells

skin cells

stem cells