1 meter per second

1 foot per second

150 meters per second

100 miles per hour

they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they regenerate very quickly

brains

spinal cord

all of the above

a nerve

nerve

muscle

the brain

wire

stem cells

muscle cells

liver cells

skin cells

Purkinje neurons

pyramidal neurons

bipolar neurons

multipolar neurons

proteins

electrical impulses

telegraph

hormonal

stem cells

prison cells

muscle cells

glial cells

100 years

1 year

1 month

10 years