healthy intestines in hands of human figure. digestive problems, colic, dysbacteriosis

abdomen ache acid alimentary anatomy background bacteria bacterium bad belly biology body bowel cancer care colic colitis colon constipation diarrhea digestion digestive disease dysbacteriosis figure flora gastrointestinal good gut hands health healthy human ileum illustration inflammation intestinal intestine intestines lactobacillus large medical medicine organ pain people probiotic problem problems rectum science sick wellness