1 foot per second

1 meter per second

100 miles per hour

150 meters per second

spinal cord

all of the above

brains

a nerve

wire

nerve

the brain

muscle

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

muscle cells

stem cells

liver cells

skin cells

muscle cells

glial cells

prison cells

stem cells

1 year

1 month

100 years

10 years

Purkinje neurons

pyramidal neurons

multipolar neurons

bipolar neurons

hormonal

telegraph

proteins

electrical impulses