the brain

wire

muscle

nerve

skin cells

stem cells

liver cells

muscle cells

muscle cells

glial cells

stem cells

prison cells

a nerve

all of the above

brains

spinal cord

100 years

10 years

1 year

1 month

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

hormonal

proteins

electrical impulses

telegraph

pyramidal neurons

Purkinje neurons

multipolar neurons

bipolar neurons

1 foot per second

150 meters per second

1 meter per second

100 miles per hour