Related by context. Frequent words. (Click for all words.) 82 kidney 72 liver 69 organs 64 vital organs 63 pancreas 61 livers 61 bone marrow 58 kidney transplant 58 lungs 58 kidney function 57 internal organs 55 kidney failure 55 kidney transplants 55 intestines 54 blood vessels 54 transplant 53 renal failure 53 lung 52 organ 52 kidney disease 52 intestine 51 lung transplant 51 marrow 50 transplants 50 bone marrow transplant 50 liver transplant 49 ovaries 49 grafts 49 uterus 49 tissue 49 small intestine 48 optic nerve 48 heart valve 48 dialysis 48 cornea 48 transfusions 48 platelets 47 arteries 47 stem cell transplant 47 tissues 47 aorta 47 organ transplants 47 ovary 47 clotting 47 spinal cord 46 sperm 46 gallbladder 46 blood transfusions 46 esophagus 46 muscle tissue 46 thyroid 45 organ transplant 45 eyesight 45 coronary artery 45 transplantation 45 kidney dialysis 45 gall bladder 45 blood 45 brain 44 spinal column 44 platelet 44 cataracts 44 transfusion 44 urinary 44 coronary arteries 44 pancreatic 44 bowel 43 renal 43 bladder 43 congenital heart 43 circulatory 43 liver disease 43 insulin 43 artery 43 organ failure 42 chronic kidney 42 diseased 42 abdomen 42 digestive 42 digestive tract 42 heart 42 lymph nodes 42 tumors 42 colon 41 stem cells 41 internal bleeding 41 anemia 41 genetic disorder 41 transplanted 41 cartilage 41 spleen 41 insulin producing 40 blood sugar 40 cirrhosis 40 intestinal 40 hypertension 40 nitric oxide 40 bypass surgery 40 chemotherapy 40 retina 40 gangrene