10 years

100 years

1 year

1 month

1 meter per second

100 miles per hour

150 meters per second

1 foot per second

Purkinje neurons

pyramidal neurons

multipolar neurons

bipolar neurons

proteins

telegraph

electrical impulses

hormonal

nerve

wire

muscle

the brain

spinal cord

a nerve

all of the above

brains

prison cells

stem cells

muscle cells

glial cells

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

muscle cells

skin cells

liver cells

stem cells