wire

nerve

muscle

the brain

pyramidal neurons

Purkinje neurons

multipolar neurons

bipolar neurons

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

1 meter per second

100 miles per hour

1 foot per second

150 meters per second

10 years

1 month

1 year

100 years

electrical impulses

telegraph

proteins

hormonal

brains

all of the above

spinal cord

a nerve

muscle cells

skin cells

liver cells

stem cells

glial cells

stem cells

muscle cells

prison cells