stem cells

muscle cells

skin cells

liver cells

all of the above

brains

a nerve

spinal cord

muscle cells

prison cells

glial cells

stem cells

muscle

wire

the brain

nerve

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

they do not have a nucleus

hormonal

proteins

electrical impulses

telegraph

pyramidal neurons

bipolar neurons

Purkinje neurons

multipolar neurons

100 miles per hour

1 meter per second

1 foot per second

150 meters per second

1 year

1 month

100 years

10 years