100 miles per hour

1 meter per second

1 foot per second

150 meters per second

the brain

nerve

wire

muscle

they do not have a nucleus

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

glial cells

muscle cells

prison cells

stem cells

liver cells

skin cells

stem cells

muscle cells

brains

spinal cord

all of the above

a nerve

telegraph

hormonal

electrical impulses

proteins

pyramidal neurons

multipolar neurons

bipolar neurons

Purkinje neurons

1 year

1 month

100 years

10 years