10 years

1 year

1 month

100 years

proteins

hormonal

electrical impulses

telegraph

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

they regenerate very quickly

muscle cells

prison cells

stem cells

glial cells

all of the above

a nerve

spinal cord

brains

pyramidal neurons

multipolar neurons

bipolar neurons

Purkinje neurons

150 meters per second

1 meter per second

100 miles per hour

1 foot per second

liver cells

skin cells

stem cells

muscle cells

muscle

nerve

wire

the brain