150 meters per second

1 meter per second

1 foot per second

100 miles per hour

electrical impulses

hormonal

telegraph

proteins

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

spinal cord

brains

a nerve

all of the above

10 years

1 month

1 year

100 years

wire

nerve

the brain

muscle

muscle cells

stem cells

skin cells

liver cells

stem cells

prison cells

glial cells

muscle cells