liver cells

skin cells

muscle cells

stem cells

stem cells

muscle cells

glial cells

prison cells

1 foot per second

1 meter per second

150 meters per second

100 miles per hour

they help carry oxygen to different parts of your body

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body

nerve

muscle

wire

the brain

Purkinje neurons

pyramidal neurons

multipolar neurons

bipolar neurons

100 years

1 year

10 years

1 month

telegraph

electrical impulses

hormonal

proteins

spinal cord

brains

all of the above

a nerve