pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons

100 years

1 year

1 month

10 years

brains

a nerve

spinal cord

all of the above

muscle cells

stem cells

liver cells

skin cells

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

the brain

muscle

nerve

wire

proteins

hormonal

telegraph

electrical impulses

150 meters per second

1 meter per second

1 foot per second

100 miles per hour

prison cells

muscle cells

glial cells

stem cells