Internal organs of the respiratory and digestive system.

ABDOMEN • ANATOMY • ANTERIOR • ANTERIORLY • APPENDAGE • APPENDIX • AREOLA • ARTWORK • ASCENDING COLON • BELLY • BIOLOGY • BIOMEDICAL ILLUSTRATIONS • BLADDER (URINARY) • BLADDER • CECUM • CLOSE UP • CLOSE-UP • CLOSEUP • COLON • COLOR IMAGE • COMPLEXITY • CROSS SECTION • CUTOUT • DESCENDING COLON • DETAIL • DIGESTION • DIGESTIVE SYSTEM • DIGITALLY GENERATED IMAGE • DUODENUM • FOREGROUND • FRONT VIEW • GALL BLADDER • GASTROINTESTINAL TRACT • GLAND • GROSS ANATOMY • GUT • HEALTHCARE • HEALTHY • HUMAN ANATOMY • HUMAN BODY PARTS • HUMAN BODY • HUMAN DIGESTIVE SYSTEM • HUMAN GLANDS • HUMAN INTESTINES • HUMAN ORGANS • HUMAN REPRESENTATION • HUMAN STOMACH • ILEUM • ILLUSTRATION • INTERNAL ORGANS • INTESTINE • INTRICACY • LARGE INTESTINES • LIVER • LOBE • LOBULE • LUNG • MAMMARY GLANDS • MEDICAL • MEDICINAL • MEDICINE • MIDSECTION • MUSCLE • NO PEOPLE • ORGAN • PANCREAS • PHYSIOLOGIE • PHYSIOLOGY • PULMONARY • RECTUM • RED • REPRODUCTIVE SYSTEM • RESPIRATORY SYSTEM • SECTION • SECTIONAL • SIDE ELEVATION • SMALL INTESTINES • SPLEEN • STOMACH • SUBLINGUAL • THREE DIMENSIONAL • TRANSVERSE COLON • URINARY BLADDER • UTERO • UTERUS • VERTICAL LINES • VERTICAL • WHITE BACKGROUND • WITHOUT PEOPLE