stem cells

prison cells

muscle cells

glial cells

nerve

muscle

wire

the brain

spinal cord

brains

a nerve

all of the above

skin cells

liver cells

muscle cells

stem cells

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

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

telegraph

electrical impulses

hormonal

proteins

100 years

10 years

1 month

1 year

1 meter per second

100 miles per hour

150 meters per second

1 foot per second