stem cells

prison cells

glial cells

muscle cells

100 miles per hour

1 meter per second

150 meters per second

1 foot per second

skin cells

liver cells

muscle cells

stem cells

telegraph

electrical impulses

proteins

hormonal

Purkinje neurons

multipolar neurons

pyramidal neurons

bipolar neurons

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

brains

all of the above

a nerve

spinal cord

10 years

1 year

1 month

100 years

muscle

wire

nerve

the brain