prison cells

stem cells

glial cells

muscle cells

the brain

muscle

nerve

wire

stem cells

skin cells

muscle cells

liver cells

telegraph

hormonal

proteins

electrical impulses

multipolar neurons

pyramidal neurons

Purkinje neurons

bipolar neurons

1 year

10 years

1 month

100 years

100 miles per hour

1 meter per second

1 foot per second

150 meters per second

all of the above

brains

a nerve

spinal cord

they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body