100 miles per hour

1 foot per second

1 meter per second

150 meters per second

all of the above

a nerve

brains

spinal cord

wire

muscle

the brain

nerve

skin cells

muscle cells

liver cells

stem cells

stem cells

glial cells

muscle cells

prison cells

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

1 month

10 years

1 year

100 years

pyramidal neurons

multipolar neurons

bipolar neurons

Purkinje neurons

proteins

telegraph

hormonal

electrical impulses