150 meters per second

100 miles per hour

1 foot per second

1 meter per second

muscle

nerve

wire

the brain

telegraph

proteins

electrical impulses

hormonal

stem cells

muscle cells

skin cells

liver cells

1 year

10 years

100 years

1 month

glial cells

prison cells

muscle cells

stem cells

a nerve

all of the above

brains

spinal cord

multipolar neurons

bipolar neurons

Purkinje neurons

pyramidal neurons

they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly