muscle cells

skin cells

liver cells

stem cells

a nerve

all of the above

spinal cord

brains

bipolar neurons

pyramidal neurons

Purkinje neurons

multipolar neurons

telegraph

electrical impulses

proteins

hormonal

the brain

nerve

muscle

wire

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

stem cells

prison cells

glial cells

muscle cells

1 year

10 years

100 years

1 month

100 miles per hour

1 meter per second

150 meters per second

1 foot per second