100 miles per hour

1 foot per second

150 meters per second

1 meter per second

pyramidal neurons

multipolar neurons

Purkinje neurons

bipolar neurons

a nerve

spinal cord

brains

all of the above

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

liver cells

stem cells

skin cells

glial cells

stem cells

prison cells

muscle cells

nerve

muscle

the brain

wire

1 year

10 years

1 month

100 years

hormonal

telegraph

electrical impulses

proteins