nerve

wire

the brain

muscle

pyramidal neurons

multipolar neurons

Purkinje neurons

bipolar neurons

1 meter per second

100 miles per hour

150 meters per second

1 foot per second

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

proteins

hormonal

telegraph

electrical impulses

muscle cells

stem cells

glial cells

prison cells

brains

spinal cord

a nerve

all of the above

100 years

1 year

10 years

1 month

stem cells

muscle cells

liver cells

skin cells