| Integumentary | Skin, Hair, Nails | Sunscreen, Moisturizers, Anti-aging creams |
| Skeletal | Bones, Cartilage, Ligaments, Joints | Calcium supplements, Joint replacements, Bone grafts |
| Muscular | Muscles | Regular exercise, Physical therapy |
| Nervous | Brain, Spinal Cord, Nerves | Brain-computer interfaces, Neurostimulation |
| Circulatory | Heart, Blood Vessels (Arteries, Veins, Capillaries) | Pacemakers, Stents, Cardiovascular surgeries |
| Respiratory | Lungs, Trachea, Bronchi, Diaphragm | Ventilators, Lung transplants |
| Digestive | Stomach, Intestines (Small, Large), Liver, Pancreas, Esophagus | Dietary supplements, Organ transplants |
| Endocrine | Gland (Pituitary, Thyroid, Adrenal), Pancreas, Gonads (Testes, Ovaries) | Hormone replacement therapy, Insulin pumps |
| Immune | Lymph Nodes, Spleen, Thymus, Bone Marrow | Vaccines, Immunotherapy |
| Reproductive | Male (Testes, Penis, Prostate Gland), Female (Ovaries, Uterus, Vagina) | Assisted reproductive technologies (ART), Hormonal therapies |
| Urinary | Kidneys, Ureters, Bladder, Urethra | Dialysis, Kidney transplants |
| Lymphatic | Lymph Nodes, Lymphatic Vessels, Spleen, Thymus | Lymphatic drainage therapy, Immunomodulatory drugs |