stem cells

glial cells

muscle cells

prison cells

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

1 foot per second

100 miles per hour

150 meters per second

1 meter per second

proteins

telegraph

electrical impulses

hormonal

nerve

the brain

wire

muscle

a nerve

all of the above

brains

spinal cord

liver cells

skin cells

muscle cells

stem cells

10 years

1 month

1 year

100 years

bipolar neurons

Purkinje neurons

multipolar neurons

pyramidal neurons