1 foot per second

100 miles per hour

150 meters per second

1 meter per second

the brain

wire

nerve

muscle

all of the above

spinal cord

brains

a nerve

pyramidal neurons

Purkinje neurons

bipolar neurons

multipolar neurons

liver cells

skin cells

muscle cells

stem cells

glial cells

muscle cells

prison cells

stem cells

1 year

10 years

100 years

1 month

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they regenerate very quickly

they do not have a nucleus

electrical impulses

proteins

telegraph

hormonal