pyramidal neurons

bipolar neurons

Purkinje neurons

multipolar neurons

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

they do not have a nucleus

electrical impulses

telegraph

hormonal

proteins

the brain

wire

muscle

nerve

stem cells

prison cells

glial cells

muscle cells

1 month

10 years

100 years

1 year

stem cells

liver cells

skin cells

muscle cells

a nerve

spinal cord

brains

all of the above

100 miles per hour

150 meters per second

1 meter per second

1 foot per second