1 meter per second

1 foot per second

100 miles per hour

150 meters per second

100 years

10 years

1 year

1 month

stem cells

glial cells

prison cells

muscle cells

pyramidal neurons

multipolar neurons

Purkinje neurons

bipolar neurons

electrical impulses

hormonal

telegraph

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

all of the above

spinal cord

brains

a nerve

stem cells

liver cells

muscle cells

skin cells

nerve

wire

the brain

muscle