1 foot per second

150 meters per second

1 meter per second

100 miles per hour

1 month

10 years

100 years

1 year

all of the above

a nerve

brains

spinal cord

telegraph

electrical impulses

hormonal

proteins

they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

stem cells

liver cells

skin cells

muscle cells

wire

nerve

muscle

the brain

prison cells

muscle cells

glial cells

stem cells

Purkinje neurons

pyramidal neurons

bipolar neurons

multipolar neurons