100 miles per hour

1 foot per second

150 meters per second

1 meter per second

the brain

muscle

nerve

wire

proteins

hormonal

electrical impulses

telegraph

muscle cells

glial cells

prison cells

stem cells

liver cells

skin cells

muscle cells

stem cells

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

brains

all of the above

a nerve

spinal cord

multipolar neurons

pyramidal neurons

Purkinje neurons

bipolar neurons

1 year

100 years

1 month

10 years