multipolar neurons

pyramidal neurons

bipolar neurons

Purkinje neurons

1 month

1 year

100 years

10 years

hormonal

electrical impulses

telegraph

proteins

muscle cells

liver cells

stem cells

skin cells

spinal cord

brains

all of the above

a nerve

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

the brain

nerve

wire

muscle

1 meter per second

1 foot per second

150 meters per second

100 miles per hour

glial cells

prison cells

stem cells

muscle cells