respiratory - trachea, bronchi, and lungs, integumentary - skin, hair, and nails, excretory - kidneys, ureter, and urethra , muscular - biceps, quadriceps, and trapezius, reproductive - uterus, ovaries, and testes, lymphatic - appendix, tonsils, and spleen, digestive - stomach, intestines, and liver, endocrine - pituitary, thyroid, and adrenal gland, nervous - brain, spinal cord, and nerves, skeletal - femur, skull, and humerus, circulatory - arteries, veins, and capillaries,

Human Body Systems Structures

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