pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons

skin cells

liver cells

muscle cells

stem 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

glial cells

prison cells

stem cells

muscle cells

10 years

100 years

1 month

1 year

nerve

wire

muscle

the brain

proteins

electrical impulses

telegraph

hormonal

a nerve

all of the above

brains

spinal cord

100 miles per hour

1 meter per second

1 foot per second

150 meters per second