100 years

1 month

10 years

1 year

100 miles per hour

1 foot per second

1 meter per second

150 meters per second

proteins

electrical impulses

hormonal

telegraph

pyramidal neurons

Purkinje neurons

bipolar neurons

multipolar neurons

muscle cells

stem cells

prison cells

glial cells

a nerve

spinal cord

brains

all of the above

stem cells

liver cells

muscle cells

skin cells

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

nerve

the brain

wire

muscle