��(JAorta, Pulmonary Vein, Kidney Stones, Medulla Oblongata, Spinal Nerve Bundle, Microscopic Worms (possibly parasitic), Catheter Tube, IV Bag, Medical Scanner ( possibly an MRI or CT scanner), Scanning Electron Microscope Components, Protein Fibers, Lymph Nodes, Fibroblasts, Endothelial Cells, White Blood Cells (sickle-shaped), Microscopic Bacteria Cnlonies, Blood Vessels, Adrenal Gland, Thyroid Gland, Pancreatic Duct, Gallstones, Liver Parenchyma, Kidney Capillaries, Aorta Valve, Hemoglobin Molecules