1 meter per second

150 meters per second

1 foot per second

100 miles per hour

telegraph

hormonal

proteins

electrical impulses

stem cells

muscle cells

liver cells

skin cells

multipolar neurons

pyramidal neurons

Purkinje neurons

bipolar neurons

a nerve

spinal cord

all of the above

brains

100 years

10 years

1 year

1 month

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

wire

nerve

muscle

the brain

prison cells

glial cells

stem cells

muscle cells