stem cells

prison cells

muscle cells

glial cells

spinal cord

all of the above

a nerve

brains

skin cells

liver cells

stem cells

muscle cells

multipolar neurons

bipolar neurons

pyramidal neurons

Purkinje neurons

100 years

1 month

1 year

10 years

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

muscle

the brain

nerve

wire

1 foot per second

100 miles per hour

150 meters per second

1 meter per second

hormonal

telegraph

proteins

electrical impulses