nerve

the brain

wire

muscle

muscle cells

prison cells

stem cells

glial cells

brains

spinal cord

a nerve

all of the above

liver cells

skin cells

stem cells

muscle cells

1 foot per second

1 meter per second

150 meters per second

100 miles per hour

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

bipolar neurons

Purkinje neurons

pyramidal neurons

multipolar neurons

electrical impulses

hormonal

telegraph

proteins

10 years

1 year

1 month

100 years