1 foot per second

150 meters per second

100 miles per hour

1 meter per second

wire

the brain

muscle

nerve

1 month

100 years

1 year

10 years

they regenerate very quickly

they are very long compared to other cells in the body

they do not have a nucleus

they help carry oxygen to different parts of your body

a nerve

brains

spinal cord

all of the above

muscle cells

liver cells

stem cells

skin cells

hormonal

telegraph

proteins

electrical impulses

muscle cells

prison cells

stem cells

glial cells

multipolar neurons

pyramidal neurons

bipolar neurons

Purkinje neurons