100 miles per hour

150 meters per second

1 foot per second

1 meter per second

glial cells

stem cells

prison cells

muscle cells

a nerve

brains

all of the above

spinal cord

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

10 years

1 month

100 years

1 year

hormonal

electrical impulses

telegraph

proteins

muscle cells

skin cells

liver cells

stem cells

bipolar neurons

pyramidal neurons

Purkinje neurons

multipolar neurons

muscle

the brain

nerve

wire