Systems
Direction
Common Terms
Colors
Numbers
100

Lungs

Pulmo/pneumo

100
Above/in excess

Super/Supra

100

Slow

Brady-

100

blue

cyan/o

100

one

uni

200

Heart

Cardi

200

Below

Infer-

200

Rapid or swift

Tachy-

200

red

erythr/o

200
Two

Bi-

300

Stomach

Gastro

300

Away from Midline

Lateral

300
Above, High

Hyper-

300

white

leuk/o

300
Four

Quad-

400

Liver

Hepat

400

Towards Midline

Medial

400

Below, deficient

Hypo-

400

yellow

xanth/o

400

Thousand

Milli or Kilo

500

Mouth

Oro

500

Front and Back

anterior and posterior

500

Blood

Hem-,Hema-, Hemo-

500

black

melan/o

500
Ten

Deka or Deca