stem cells

glial cells

prison cells

muscle cells

skin cells

liver cells

stem cells

muscle cells

1 foot per second

100 miles per hour

150 meters per second

1 meter per second

1 year

10 years

1 month

100 years

they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

all of the above

a nerve

spinal cord

brains

multipolar neurons

pyramidal neurons

Purkinje neurons

bipolar neurons

the brain

muscle

nerve

wire

telegraph

electrical impulses

hormonal

proteins