the brain

wire

muscle

nerve

a nerve

spinal cord

all of the above

brains

hormonal

telegraph

electrical impulses

proteins

1 foot per second

100 miles per hour

1 meter per second

150 meters per second

multipolar neurons

bipolar neurons

Purkinje neurons

pyramidal neurons

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

stem cells

muscle cells

prison cells

glial cells

liver cells

muscle cells

skin cells

stem cells

1 month

100 years

1 year

10 years