multipolar neurons

bipolar neurons

Purkinje neurons

pyramidal neurons

skin cells

muscle cells

liver cells

stem cells

1 meter per second

150 meters per second

1 foot per second

100 miles per hour

the brain

muscle

nerve

wire

telegraph

electrical impulses

hormonal

proteins

they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

a nerve

brains

all of the above

spinal cord

stem cells

muscle cells

glial cells

prison cells

100 years

1 year

10 years

1 month