100 miles per hour

150 meters per second

1 foot per second

1 meter per second

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

proteins

hormonal

telegraph

electrical impulses

muscle cells

prison cells

stem cells

glial cells

stem cells

skin cells

muscle cells

liver cells

multipolar neurons

Purkinje neurons

pyramidal neurons

bipolar neurons

muscle

wire

the brain

nerve

1 month

10 years

100 years

1 year

brains

spinal cord

all of the above

a nerve