proteins

electrical impulses

hormonal

telegraph

multipolar neurons

Purkinje neurons

bipolar neurons

pyramidal neurons

10 years

1 month

1 year

100 years

100 miles per hour

150 meters per second

1 meter per second

1 foot per second

nerve

wire

the brain

muscle

muscle cells

prison cells

stem cells

glial cells

liver cells

muscle cells

stem cells

skin cells

brains

all of the above

spinal cord

a nerve

they help carry oxygen to different parts of your body

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body