10 years

1 month

1 year

100 years

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

telegraph

electrical impulses

proteins

hormonal

muscle cells

glial cells

prison cells

stem cells

the brain

nerve

muscle

wire

150 meters per second

100 miles per hour

1 meter per second

1 foot per second

skin cells

stem cells

muscle cells

liver cells

a nerve

brains

spinal cord

all of the above