stem cells

liver cells

muscle cells

skin cells

pyramidal neurons

multipolar neurons

bipolar neurons

Purkinje neurons

they are very long compared to other cells in the body

they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

all of the above

spinal cord

a nerve

brains

muscle cells

stem cells

glial cells

prison cells

proteins

hormonal

telegraph

electrical impulses

100 miles per hour

150 meters per second

1 meter per second

1 foot per second

muscle

nerve

the brain

wire

1 year

1 month

100 years

10 years