hormonal

proteins

telegraph

electrical impulses

they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

glial cells

muscle cells

prison cells

stem cells

Purkinje neurons

pyramidal neurons

bipolar neurons

multipolar neurons

brains

all of the above

spinal cord

a nerve

1 month

1 year

10 years

100 years

150 meters per second

1 meter per second

1 foot per second

100 miles per hour

muscle cells

skin cells

stem cells

liver cells

wire

nerve

muscle

the brain