stem cells

muscle cells

glial cells

prison cells

brains

a nerve

all of the above

spinal cord

they do not have a nucleus

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they regenerate very quickly

1 month

10 years

100 years

1 year

electrical impulses

hormonal

telegraph

proteins

muscle cells

liver cells

skin cells

stem cells

pyramidal neurons

multipolar neurons

bipolar neurons

Purkinje neurons

1 meter per second

1 foot per second

100 miles per hour

150 meters per second

the brain

nerve

muscle

wire