[["Circulatory System","Heart"],["Respiratory System","Lungs"],["Digestive System","Stomach"],["Nervous System","Brain"],["Muscular System","Biceps"],["Skeletal System","Femur"],["Endocrine System","Thyroid"],["Lymphatic System","Lymph Nodes"],["Urinary System","Kidneys"],["Reproductive System","Ovaries"],["Integumentary System","Skin"],["Immune System","Spleen"],["Sensory System","Eyes"],["Excretory System","Bladder"],["Cardiovascular System","Aorta"],["Respiratory System","Trachea"],["Digestive System","Intestines"],["Nervous System","Spinal Cord"],["Muscular System","Deltoid"],["Skeletal System","Rib Cage"]]