1 foot per second

150 meters per second

1 meter per second

100 miles per hour

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons

stem cells

muscle cells

prison cells

glial cells

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

nerve

the brain

wire

muscle

10 years

100 years

1 year

1 month

brains

all of the above

spinal cord

a nerve

skin cells

stem cells

liver cells

muscle cells

hormonal

proteins

telegraph

electrical impulses