prison cells

glial cells

muscle cells

stem cells

the brain

nerve

muscle

wire

100 years

1 month

1 year

10 years

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

100 miles per hour

1 foot per second

1 meter per second

150 meters per second

multipolar neurons

bipolar neurons

Purkinje neurons

pyramidal neurons

telegraph

hormonal

proteins

electrical impulses

muscle cells

stem cells

skin cells

liver cells

brains

all of the above

spinal cord

a nerve