100 miles per hour

150 meters per second

1 meter per second

1 foot per second

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons

proteins

telegraph

electrical impulses

hormonal

liver cells

skin cells

muscle cells

stem cells

1 month

100 years

10 years

1 year

wire

nerve

the brain

muscle

they do not have a nucleus

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

spinal cord

brains

all of the above

a nerve

muscle cells

glial cells

stem cells

prison cells