stem cells

muscle cells

prison cells

glial cells

multipolar neurons

Purkinje neurons

bipolar neurons

pyramidal neurons

a nerve

all of the above

brains

spinal cord

they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they regenerate very quickly

150 meters per second

100 miles per hour

1 foot per second

1 meter per second

wire

muscle

the brain

nerve

1 month

10 years

100 years

1 year

liver cells

muscle cells

skin cells

stem cells

proteins

hormonal

electrical impulses

telegraph