muscle cells

prison cells

glial cells

stem cells

they do not have a nucleus

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they regenerate very quickly

1 meter per second

100 miles per hour

1 foot per second

150 meters per second

nerve

wire

muscle

the brain

liver cells

muscle cells

stem cells

skin cells

10 years

100 years

1 year

1 month

bipolar neurons

Purkinje neurons

multipolar neurons

pyramidal neurons

all of the above

brains

a nerve

spinal cord

telegraph

proteins

electrical impulses

hormonal