1 meter per second

150 meters per second

100 miles per hour

1 foot per second

muscle

the brain

nerve

wire

stem cells

prison cells

glial cells

muscle cells

spinal cord

brains

a nerve

all of the above

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

multipolar neurons

Purkinje neurons

bipolar neurons

pyramidal neurons

liver cells

stem cells

skin cells

muscle cells

10 years

100 years

1 year

1 month

proteins

hormonal

telegraph

electrical impulses