1 foot per second

1 meter per second

100 miles per hour

150 meters per second

they help carry oxygen to different parts of your body

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body

100 years

10 years

1 month

1 year

muscle

nerve

wire

the brain

hormonal

telegraph

electrical impulses

proteins

stem cells

skin cells

liver cells

muscle cells

spinal cord

brains

a nerve

all of the above

pyramidal neurons

multipolar neurons

Purkinje neurons

bipolar neurons

muscle cells

glial cells

stem cells

prison cells