prison cells

glial cells

muscle cells

stem cells

wire

the brain

nerve

muscle

they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

a nerve

brains

all of the above

spinal cord

1 month

100 years

1 year

10 years

skin cells

stem cells

liver cells

muscle cells

1 meter per second

1 foot per second

100 miles per hour

150 meters per second

hormonal

proteins

telegraph

electrical impulses

multipolar neurons

bipolar neurons

Purkinje neurons

pyramidal neurons