pyramidal neurons

multipolar neurons

bipolar neurons

Purkinje neurons

proteins

telegraph

electrical impulses

hormonal

the brain

nerve

wire

muscle

10 years

100 years

1 year

1 month

stem cells

muscle cells

liver cells

skin cells

a nerve

spinal cord

brains

all of the above

stem cells

muscle cells

prison cells

glial cells

1 foot per second

100 miles per hour

150 meters per second

1 meter per second

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

they do not have a nucleus