muscle

nerve

the brain

wire

electrical impulses

hormonal

proteins

telegraph

100 years

1 month

10 years

1 year

1 meter per second

100 miles per hour

150 meters per second

1 foot per second

multipolar neurons

pyramidal neurons

Purkinje neurons

bipolar neurons

liver cells

skin cells

muscle cells

stem cells

they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

a nerve

spinal cord

brains

all of the above

muscle cells

stem cells

glial cells

prison cells