telegraph

proteins

hormonal

electrical impulses

10 years

1 month

100 years

1 year

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

multipolar neurons

bipolar neurons

pyramidal neurons

Purkinje neurons

all of the above

spinal cord

a nerve

brains

muscle cells

skin cells

stem cells

liver cells

prison cells

stem cells

glial cells

muscle cells

1 foot per second

100 miles per hour

150 meters per second

1 meter per second

the brain

wire

nerve

muscle