150 meters per second

100 miles per hour

1 foot per second

1 meter per second

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons

glial cells

stem cells

muscle cells

prison cells

100 years

1 year

10 years

1 month

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

they regenerate very quickly

electrical impulses

hormonal

telegraph

proteins

brains

all of the above

spinal cord

a nerve

the brain

nerve

wire

muscle

muscle cells

skin cells

liver cells

stem cells