1 month

10 years

1 year

100 years

1 foot per second

1 meter per second

100 miles per hour

150 meters per second

prison cells

muscle cells

stem cells

glial cells

electrical impulses

proteins

hormonal

telegraph

liver cells

muscle cells

stem cells

skin cells

all of the above

spinal cord

a nerve

brains

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

they do not have a nucleus

pyramidal neurons

multipolar neurons

Purkinje neurons

bipolar neurons

muscle

nerve

the brain

wire