1 month

1 year

100 years

10 years

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

100 miles per hour

1 meter per second

150 meters per second

1 foot per second

bipolar neurons

pyramidal neurons

Purkinje neurons

multipolar neurons

the brain

nerve

muscle

wire

all of the above

brains

a nerve

spinal cord

stem cells

liver cells

skin cells

muscle cells

telegraph

proteins

hormonal

electrical impulses

glial cells

muscle cells

prison cells

stem cells