1 meter per second

100 miles per hour

150 meters per second

1 foot per second

proteins

electrical impulses

telegraph

hormonal

spinal cord

a nerve

brains

all of the above

1 month

100 years

10 years

1 year

liver cells

muscle cells

skin cells

stem cells

glial cells

stem cells

muscle cells

prison cells

they regenerate very quickly

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

nerve

wire

the brain

muscle

Purkinje neurons

bipolar neurons

pyramidal neurons

multipolar neurons