muscle cells

skin cells

stem cells

liver cells

1 meter per second

1 foot per second

150 meters per second

100 miles per hour

10 years

1 year

100 years

1 month

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

they regenerate very quickly

muscle cells

prison cells

glial cells

stem cells

hormonal

proteins

telegraph

electrical impulses

brains

spinal cord

all of the above

a nerve

multipolar neurons

bipolar neurons

Purkinje neurons

pyramidal neurons

wire

nerve

the brain

muscle