150 meters per second

1 meter per second

1 foot per second

100 miles per hour

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

telegraph

hormonal

electrical impulses

proteins

multipolar neurons

pyramidal neurons

Purkinje neurons

bipolar neurons

wire

nerve

muscle

the brain

brains

spinal cord

a nerve

all of the above

glial cells

muscle cells

prison cells

stem cells

stem cells

muscle cells

liver cells

skin cells

100 years

1 month

1 year

10 years