100 miles per hour

150 meters per second

1 foot per second

1 meter per second

brains

a nerve

all of the above

spinal cord

stem cells

prison cells

muscle cells

glial cells

Purkinje neurons

pyramidal neurons

bipolar neurons

multipolar neurons

1 year

100 years

10 years

1 month

proteins

electrical impulses

hormonal

telegraph

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

muscle cells

liver cells

stem cells

skin cells

wire

nerve

muscle

the brain