bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

all of the above

spinal cord

brains

a nerve

proteins

hormonal

telegraph

electrical impulses

wire

muscle

the brain

nerve

muscle cells

glial cells

stem cells

prison cells

muscle cells

liver cells

stem cells

skin cells

1 meter per second

1 foot per second

150 meters per second

100 miles per hour

100 years

10 years

1 month

1 year

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