150 meters per second

100 miles per hour

1 meter per second

1 foot per second

bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

skin cells

stem cells

muscle cells

liver cells

10 years

1 month

100 years

1 year

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

stem cells

muscle cells

prison cells

glial cells

proteins

electrical impulses

telegraph

hormonal

wire

the brain

nerve

muscle

spinal cord

brains

a nerve

all of the above