1 foot per second

150 meters per second

100 miles per hour

1 meter per second

10 years

1 year

1 month

100 years

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

all of the above

brains

a nerve

spinal cord

liver cells

stem cells

muscle cells

skin cells

the brain

nerve

wire

muscle

stem cells

glial cells

prison cells

muscle cells

hormonal

electrical impulses

proteins

telegraph

bipolar neurons

pyramidal neurons

multipolar neurons

Purkinje neurons