stem cells

prison cells

glial cells

muscle cells

100 miles per hour

150 meters per second

1 meter per second

1 foot per second

a nerve

all of the above

brains

spinal cord

telegraph

hormonal

proteins

electrical impulses

liver cells

skin cells

stem cells

muscle cells

they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they regenerate very quickly

pyramidal neurons

Purkinje neurons

bipolar neurons

multipolar neurons

100 years

1 month

10 years

1 year

the brain

wire

muscle

nerve