bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

1 year

100 years

1 month

10 years

1 meter per second

150 meters per second

100 miles per hour

1 foot per second

the brain

wire

muscle

nerve

prison cells

muscle cells

glial cells

stem cells

proteins

telegraph

hormonal

electrical impulses

skin cells

muscle cells

liver cells

stem cells

they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

spinal cord

all of the above

brains

a nerve