prison cells

stem cells

muscle cells

glial cells

stem cells

liver cells

muscle cells

skin cells

all of the above

brains

a nerve

spinal cord

bipolar neurons

Purkinje neurons

pyramidal neurons

multipolar neurons

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

they regenerate very quickly

1 year

1 month

100 years

10 years

muscle

wire

nerve

the brain

proteins

hormonal

telegraph

electrical impulses

1 foot per second

1 meter per second

100 miles per hour

150 meters per second