pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons

prison cells

stem cells

glial cells

muscle cells

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

liver cells

stem cells

muscle cells

skin cells

hormonal

electrical impulses

proteins

telegraph

1 foot per second

1 meter per second

150 meters per second

100 miles per hour

all of the above

brains

a nerve

spinal cord

nerve

wire

the brain

muscle

1 year

1 month

10 years

100 years