1 foot per second

100 miles per hour

1 meter per second

150 meters per second

muscle cells

skin cells

liver cells

stem cells

1 year

100 years

1 month

10 years

brains

all of the above

spinal cord

a nerve

Purkinje neurons

multipolar neurons

pyramidal neurons

bipolar neurons

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

they do not have a nucleus

nerve

wire

muscle

the brain

glial cells

prison cells

stem cells

muscle cells

electrical impulses

hormonal

proteins

telegraph