hormonal

proteins

telegraph

electrical impulses

multipolar neurons

Purkinje neurons

pyramidal neurons

bipolar neurons

stem cells

muscle cells

prison cells

glial cells

100 miles per hour

150 meters per second

1 meter per second

1 foot per second

the brain

nerve

muscle

wire

liver cells

skin cells

stem cells

muscle cells

10 years

100 years

1 month

1 year

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

spinal cord

a nerve

all of the above

brains