nerve

muscle

wire

the brain

1 foot per second

100 miles per hour

1 meter per second

150 meters per second

bipolar neurons

pyramidal neurons

Purkinje neurons

multipolar neurons

a nerve

brains

all of the above

spinal cord

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

stem cells

glial cells

muscle cells

prison cells

muscle cells

skin cells

stem cells

liver cells

proteins

electrical impulses

hormonal

telegraph

1 year

1 month

100 years

10 years