bipolar neurons

pyramidal neurons

multipolar neurons

Purkinje neurons

1 foot per second

1 meter per second

150 meters per second

100 miles per hour

brains

spinal cord

a nerve

all of the above

stem cells

muscle cells

skin cells

liver cells

proteins

hormonal

electrical impulses

telegraph

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

the brain

wire

muscle

nerve

prison cells

glial cells

muscle cells

stem cells

10 years

1 year

1 month

100 years