150 meters per second

100 miles per hour

1 meter per second

1 foot per second

all of the above

a nerve

brains

spinal cord

10 years

1 year

100 years

1 month

glial cells

stem cells

prison cells

muscle cells

liver cells

skin cells

muscle cells

stem cells

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

electrical impulses

proteins

telegraph

hormonal

nerve

muscle

the brain

wire

Purkinje neurons

pyramidal neurons

multipolar neurons

bipolar neurons