1 meter per second

150 meters per second

1 foot per second

100 miles per hour

all of the above

brains

spinal cord

a nerve

bipolar neurons

Purkinje neurons

pyramidal neurons

multipolar neurons

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

wire

nerve

the brain

muscle

liver cells

skin cells

muscle cells

stem cells

glial cells

stem cells

muscle cells

prison cells

100 years

1 month

10 years

1 year

hormonal

telegraph

proteins

electrical impulses