stem cells

prison cells

glial cells

muscle cells

Purkinje neurons

multipolar neurons

pyramidal neurons

bipolar neurons

all of the above

brains

a nerve

spinal cord

1 foot per second

100 miles per hour

1 meter per second

150 meters per second

the brain

wire

muscle

nerve

skin cells

liver cells

muscle cells

stem cells

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

electrical impulses

hormonal

proteins

telegraph

100 years

1 month

1 year

10 years