1 year

1 month

100 years

10 years

1 meter per second

150 meters per second

100 miles per hour

1 foot per second

a nerve

brains

spinal cord

all of the above

nerve

muscle

wire

the brain

bipolar neurons

multipolar neurons

Purkinje neurons

pyramidal neurons

stem cells

skin cells

muscle cells

liver cells

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

electrical impulses

proteins

hormonal

telegraph

muscle cells

glial cells

prison cells

stem cells