10 years

1 year

1 month

100 years

stem cells

muscle cells

skin cells

liver cells

bipolar neurons

pyramidal neurons

multipolar neurons

Purkinje neurons

1 foot per second

100 miles per hour

1 meter per second

150 meters per second

brains

a nerve

all of the above

spinal cord

muscle

wire

the brain

nerve

proteins

electrical impulses

telegraph

hormonal

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

prison cells

stem cells

glial cells

muscle cells