stem cells

glial cells

muscle cells

prison cells

liver cells

muscle cells

stem cells

skin cells

1 meter per second

1 foot per second

150 meters per second

100 miles per hour

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

1 year

10 years

1 month

100 years

bipolar neurons

pyramidal neurons

multipolar neurons

Purkinje neurons

spinal cord

all of the above

brains

a nerve

telegraph

electrical impulses

hormonal

proteins

the brain

wire

nerve

muscle