proteins

telegraph

hormonal

electrical impulses

150 meters per second

100 miles per hour

1 foot per second

1 meter per second

multipolar neurons

Purkinje neurons

bipolar neurons

pyramidal neurons

wire

the brain

muscle

nerve

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

all of the above

a nerve

brains

spinal cord

skin cells

stem cells

muscle cells

liver cells

1 year

1 month

10 years

100 years

muscle cells

glial cells

stem cells

prison cells