muscle

the brain

nerve

wire

1 meter per second

150 meters per second

100 miles per hour

1 foot per second

proteins

hormonal

electrical impulses

telegraph

100 years

1 year

10 years

1 month

pyramidal neurons

Purkinje neurons

bipolar neurons

multipolar neurons

stem cells

muscle cells

skin cells

liver cells

glial cells

stem cells

prison cells

muscle cells

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

a nerve

spinal cord

brains

all of the above