liver cells

skin cells

stem cells

muscle cells

1 foot per second

150 meters per second

100 miles per hour

1 meter per second

muscle cells

stem cells

prison cells

glial cells

multipolar neurons

bipolar neurons

Purkinje neurons

pyramidal neurons

hormonal

electrical impulses

proteins

telegraph

all of the above

a nerve

spinal cord

brains

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

10 years

1 month

100 years

1 year

nerve

the brain

wire

muscle