brains

spinal cord

all of the above

a nerve

wire

the brain

muscle

nerve

they regenerate very quickly

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

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons

liver cells

muscle cells

skin cells

stem cells

1 month

10 years

1 year

100 years

prison cells

muscle cells

stem cells

glial cells

150 meters per second

100 miles per hour

1 foot per second

1 meter per second

hormonal

proteins

telegraph

electrical impulses