100 miles per hour

1 foot per second

150 meters per second

1 meter per second

multipolar neurons

pyramidal neurons

bipolar neurons

Purkinje neurons

telegraph

electrical impulses

hormonal

proteins

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

muscle

nerve

wire

the brain

stem cells

liver cells

muscle cells

skin cells

a nerve

spinal cord

all of the above

brains

muscle cells

glial cells

prison cells

stem cells

1 month

10 years

100 years

1 year