100 years

1 month

1 year

10 years

multipolar neurons

Purkinje neurons

pyramidal neurons

bipolar neurons

glial cells

prison cells

stem cells

muscle cells

they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

telegraph

proteins

hormonal

electrical impulses

1 meter per second

100 miles per hour

1 foot per second

150 meters per second

muscle cells

stem cells

skin cells

liver cells

muscle

the brain

nerve

wire

spinal cord

a nerve

brains

all of the above