wire

the brain

nerve

muscle

glial cells

muscle cells

prison cells

stem cells

liver cells

skin cells

stem cells

muscle cells

all of the above

brains

spinal cord

a nerve

1 foot per second

1 meter per second

150 meters per second

100 miles per hour

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

electrical impulses

hormonal

proteins

telegraph

100 years

10 years

1 month

1 year

pyramidal neurons

bipolar neurons

Purkinje neurons

multipolar neurons