multipolar neurons

bipolar neurons

Purkinje neurons

pyramidal neurons

electrical impulses

hormonal

telegraph

proteins

glial cells

stem cells

muscle cells

prison cells

liver cells

muscle cells

stem cells

skin cells

1 year

10 years

1 month

100 years

the brain

nerve

muscle

wire

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

brains

spinal cord

a nerve

all of the above

1 foot per second

150 meters per second

1 meter per second

100 miles per hour