1 foot per second

150 meters per second

1 meter per second

100 miles per hour

the brain

muscle

nerve

wire

electrical impulses

proteins

hormonal

telegraph

a nerve

all of the above

spinal cord

brains

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons

1 month

100 years

1 year

10 years

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

stem cells

muscle cells

glial cells

prison cells

stem cells

skin cells

muscle cells

liver cells