100 miles per hour

1 foot per second

150 meters per second

1 meter per second

a nerve

spinal cord

brains

all of the above

hormonal

telegraph

electrical impulses

proteins

the brain

muscle

nerve

wire

10 years

1 year

100 years

1 month

stem cells

skin cells

liver cells

muscle cells

glial cells

prison cells

stem cells

muscle cells

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

they do not have a nucleus

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons