| A | B |
| Skeletal System | bone, cartilage, ligament |
| Muscular System | smooth muscle, skeletal muscle, cardiac muscle |
| Endocrine System | pituitary gland, thyroid gland, adrenal gland |
| Nervous System | brain, spinal cord, nerves |
| Digestive System | esophagus, stomach, small intestine, large intestine |
| Reproductive System | ovary, uterus, testes, penis |
| Circulatory System | heart, arteries, veins, capillaries |
| Excretory System | kidney, ureter, bladder, urethra |
| Respiratory System | trachea, bronchi, lung, alveoli |
| Integumentary System | hair, skin, nails |
| Lymphatic System | lymph nodes, lymph vessels |
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