muscle

nerve

the brain

wire

100 miles per hour

150 meters per second

1 meter per second

1 foot per second

bipolar neurons

pyramidal neurons

Purkinje neurons

multipolar neurons

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

prison cells

stem cells

glial cells

muscle cells

telegraph

electrical impulses

proteins

hormonal

1 month

10 years

100 years

1 year

skin cells

muscle cells

liver cells

stem cells

brains

spinal cord

a nerve

all of the above