prison cells

glial cells

stem cells

muscle cells

1 foot per second

150 meters per second

100 miles per hour

1 meter per second

a nerve

spinal cord

brains

all of the above

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

they do not have a nucleus

multipolar neurons

Purkinje neurons

bipolar neurons

pyramidal neurons

100 years

1 year

10 years

1 month

nerve

the brain

wire

muscle

liver cells

muscle cells

skin cells

stem cells

electrical impulses

hormonal

proteins

telegraph