1 foot per second

100 miles per hour

1 meter per second

150 meters per second

1 year

10 years

100 years

1 month

wire

the brain

nerve

muscle

telegraph

electrical impulses

proteins

hormonal

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

a nerve

spinal cord

all of the above

brains

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons

prison cells

muscle cells

stem cells

glial cells

stem cells

skin cells

muscle cells

liver cells