| Main Organs | Organ System |
| heart, blood, blood vessels | |
| mouth, esophagus, stomach, intestines | |
| pituitary, pineal, thyroid, adrenals | |
| skin, lungs, liver, kidneys, colon | |
| white blood cells | |
| skin, hair, nails | |
| tonsils, thymus, liver, spleen, nodes | |
| | Main Organs | Organ System |
| muscles, tendons | |
| brain, spinal cord, nerves | |
| ovaries, testes | |
| nose, throat, trachea, bronchi, lungs | |
| eyes, ears, nose, tongue, skin | |
| bones, joints, ligaments, tendons | |
| kidneys, ureters, bladder, urethra | |
|