spinal cord

brains

a nerve

all of the above

muscle

wire

nerve

the brain

muscle cells

prison cells

glial cells

stem cells

hormonal

telegraph

electrical impulses

proteins

100 years

1 year

1 month

10 years

skin cells

stem cells

muscle cells

liver cells

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

100 miles per hour

1 foot per second

150 meters per second

1 meter per second

Purkinje neurons

pyramidal neurons

multipolar neurons

bipolar neurons