100 miles per hour

150 meters per second

1 meter per second

1 foot per second

they do not have a nucleus

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they regenerate very quickly

bipolar neurons

Purkinje neurons

multipolar neurons

pyramidal neurons

a nerve

spinal cord

brains

all of the above

100 years

10 years

1 year

1 month

hormonal

telegraph

electrical impulses

proteins

prison cells

glial cells

muscle cells

stem cells

wire

the brain

muscle

nerve

stem cells

muscle cells

liver cells

skin cells