100 miles per hour

150 meters per second

1 foot per second

1 meter per second

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

muscle cells

skin cells

stem cells

liver cells

muscle

nerve

the brain

wire

a nerve

brains

all of the above

spinal cord

glial cells

prison cells

muscle cells

stem cells

100 years

10 years

1 month

1 year

electrical impulses

hormonal

telegraph

proteins