Related by context. Frequent words. (Click for all words.) 62 digestive enzymes 61 stomach acid 58 bile acids 56 GI tract 55 secretions 55 digestive tract 55 intestines 55 intestinal bacteria 55 absorb nutrients 54 rumen 54 microorganisms 53 intestinal tract 53 digestive tracts 53 gastric acid 53 mucous membrane 53 bacteria 53 digestion 53 naturally occurring bacteria 52 emulsify 52 mucus 52 micro organisms 52 digestive 52 gastrointestinal tract 52 allicin 52 microcapsules 51 bloodstream 51 micelles 51 uterine lining 51 connective tissues 51 oxidants 51 salivary glands 51 metabolizes 51 thick mucus 51 canker sores 51 mucus membranes 50 bronchial tubes 50 lactic acid 50 lysosomes 50 tooth enamel 50 insoluble fiber 50 probiotic bacteria 50 pathogenic bacteria 50 toxins 50 acids 50 sebum 50 nutrients 50 Salmonella bacteria 49 enzymes 49 mucous membranes 49 absorb calcium 49 capillaries 49 mucous 49 organic acids 49 muscle tissue 49 sebaceous glands 49 fatty tissues 49 intestine 49 mucosa 49 sun ultraviolet rays 49 uric acid 49 hormone insulin 48 Digestion 48 microbes 48 tenderize 48 urushiol 48 granules 48 acetaldehyde 48 nasal passages 48 ketones 48 urinary infections 48 sugars 48 tissues 48 vesicle 48 blood vessels 48 metabolized 48 parasitic worms 48 viral particles 48 galactose 48 biochemical reactions 47 amino acids 47 phages 47 toxin 47 metabolised 47 phenylalanine 47 microflora 47 bacterium 47 alveoli 47 female hormone estrogen 47 lactic acid bacteria 47 insulin hormone 47 prostaglandins 47 chemical messengers 47 soft tissues 47 muscle contractions 47 excretes 47 Nutrients 47 metabolise 47 microbubbles 47 polysaccharides 47 dehydration abdominal pain 46 dehydrates