1 meter per second

100 miles per hour

1 foot per second

150 meters per second

spinal cord

all of the above

brains

a nerve

hormonal

telegraph

electrical impulses

proteins

pyramidal neurons

multipolar neurons

bipolar neurons

Purkinje neurons

stem cells

glial cells

muscle cells

prison cells

muscle

the brain

nerve

wire

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

they do not have a nucleus

skin cells

muscle cells

liver cells

stem cells

1 year

1 month

10 years

100 years