Related by context. Frequent words. (Click for all words.) 84 intestines 80 small intestine 74 digestive tract 71 colon 68 bowel 67 esophagus 67 gastrointestinal tract 66 blood vessels 66 intestinal 64 pancreas 63 aorta 62 uterus 61 liver 60 internal organs 57 rectum 57 abdomen 56 placenta 56 gastric 56 digestive 55 bladder 55 lungs 55 coronary artery 54 clot 54 anus 54 gallbladder 53 bloodstream 53 cell membrane 53 arteries 53 spleen 53 abdominal 52 artery 52 lung 52 muscle tissue 52 ovary 52 coronary arteries 52 gland 52 kidneys 52 spinal cord 52 stomach 51 windpipe 51 lymph nodes 51 incision 51 cyst 50 vital organs 50 tissues 50 tumor 50 diaphragm 49 livers 49 optic nerve 49 scar tissue 48 connective tissue 48 sinuses 48 incisions 48 cysts 48 blood clot 48 ovaries 48 tumors 48 retina 48 carotid artery 48 tissue 47 cell membranes 47 circulatory 47 brain 47 tonsils 47 polyps 47 cervix 47 pelvis 47 abscess 47 mucus 47 gall bladder 47 kidney 46 cancerous cells 46 breast tissue 46 fibrous 46 membrane 46 cornea 46 aneurysm 46 lesion 46 membranes 46 cartilage 46 vertebrae 46 tumor cells 46 cancerous 45 airway 45 pancreatic 45 duct 45 clots 45 vagina 45 inflammation 45 prions 45 bacteria 45 nerve cells 45 gastrointestinal 45 testicle 44 tendon 44 tendons 44 clotting 44 penis 44 glands 44 lesions 44 tube