bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

brains

spinal cord

all of the above

a nerve

liver cells

muscle cells

skin cells

stem cells

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

proteins

electrical impulses

telegraph

hormonal

150 meters per second

1 foot per second

100 miles per hour

1 meter per second

the brain

muscle

nerve

wire

100 years

1 month

10 years

1 year

prison cells

glial cells

stem cells

muscle cells