1 meter per second

100 miles per hour

150 meters per second

1 foot per second

a nerve

spinal cord

brains

all of the above

liver cells

skin cells

stem cells

muscle cells

1 year

10 years

1 month

100 years

electrical impulses

telegraph

hormonal

proteins

pyramidal neurons

bipolar neurons

Purkinje neurons

multipolar neurons

they do not have a nucleus

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

stem cells

glial cells

muscle cells

prison cells

wire

the brain

muscle

nerve