1 meter per second

150 meters per second

1 foot per second

100 miles per hour

stem cells

muscle cells

skin cells

liver cells

brains

all of the above

a nerve

spinal cord

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

glial cells

prison cells

stem cells

muscle cells

nerve

muscle

the brain

wire

bipolar neurons

pyramidal neurons

Purkinje neurons

multipolar neurons

electrical impulses

telegraph

hormonal

proteins

1 year

100 years

10 years

1 month