1 year

100 years

10 years

1 month

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

prison cells

muscle cells

glial cells

stem cells

Purkinje neurons

pyramidal neurons

bipolar neurons

multipolar neurons

100 miles per hour

1 meter per second

150 meters per second

1 foot per second

a nerve

all of the above

spinal cord

brains

stem cells

skin cells

muscle cells

liver cells

wire

nerve

muscle

the brain

electrical impulses

telegraph

proteins

hormonal