100 years

1 month

1 year

10 years

pyramidal neurons

multipolar neurons

Purkinje neurons

bipolar neurons

prison cells

glial cells

stem cells

muscle cells

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

nerve

wire

muscle

the brain

skin cells

muscle cells

stem cells

liver cells

150 meters per second

1 meter per second

100 miles per hour

1 foot per second

proteins

telegraph

electrical impulses

hormonal

a nerve

all of the above

brains

spinal cord