pyramidal neurons

multipolar neurons

bipolar neurons

Purkinje neurons

skin cells

liver cells

stem cells

muscle cells

telegraph

hormonal

electrical impulses

proteins

a nerve

spinal cord

all of the above

brains

10 years

100 years

1 year

1 month

prison cells

stem cells

muscle cells

glial cells

100 miles per hour

1 meter per second

150 meters per second

1 foot per second

the brain

muscle

nerve

wire

they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they regenerate very quickly