prison cells

muscle cells

glial cells

stem cells

nerve

muscle

the brain

wire

telegraph

hormonal

electrical impulses

proteins

they do not have a nucleus

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

a nerve

spinal cord

brains

all of the above

muscle cells

skin cells

liver cells

stem cells

100 miles per hour

150 meters per second

1 foot per second

1 meter per second

1 year

100 years

10 years

1 month

pyramidal neurons

multipolar neurons

Purkinje neurons

bipolar neurons