skin cells

liver cells

muscle cells

stem cells

100 miles per hour

1 foot per second

1 meter per second

150 meters per second

prison cells

glial cells

muscle cells

stem cells

spinal cord

all of the above

brains

a nerve

multipolar neurons

pyramidal neurons

bipolar neurons

Purkinje neurons

nerve

the brain

wire

muscle

1 month

10 years

1 year

100 years

electrical impulses

telegraph

hormonal

proteins

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body