stem cells

glial cells

prison cells

muscle cells

1 meter per second

150 meters per second

1 foot per second

100 miles per hour

the brain

wire

nerve

muscle

they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

1 year

1 month

10 years

100 years

a nerve

brains

all of the above

spinal cord

proteins

electrical impulses

telegraph

hormonal

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

liver cells

muscle cells

skin cells

stem cells