1 foot per second

150 meters per second

1 meter per second

100 miles per hour

1 year

100 years

10 years

1 month

brains

all of the above

a nerve

spinal cord

proteins

telegraph

electrical impulses

hormonal

bipolar neurons

pyramidal neurons

multipolar neurons

Purkinje neurons

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

glial cells

muscle cells

stem cells

prison cells

muscle

the brain

wire

nerve

muscle cells

liver cells

skin cells

stem cells