telegraph

hormonal

electrical impulses

proteins

bipolar neurons

pyramidal neurons

Purkinje neurons

multipolar neurons

1 month

100 years

1 year

10 years

spinal cord

a nerve

all of the above

brains

prison cells

muscle cells

glial cells

stem cells

skin cells

stem cells

liver cells

muscle cells

1 meter per second

100 miles per hour

150 meters per second

1 foot per second

nerve

muscle

wire

the brain

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they regenerate very quickly

they do not have a nucleus