100 years

1 month

10 years

1 year

multipolar neurons

bipolar neurons

Purkinje neurons

pyramidal neurons

150 meters per second

1 meter per second

100 miles per hour

1 foot per second

nerve

wire

the brain

muscle

skin cells

liver cells

stem cells

muscle cells

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

they regenerate very quickly

all of the above

brains

spinal cord

a nerve

telegraph

proteins

electrical impulses

hormonal

muscle cells

stem cells

prison cells

glial cells