Organs of the BodyOnline version the student tests your knowledge by Jarely Lopez 1 Brain 2 heart 3 lungs 4 liver 5 kidneys 6 stomach 7 trachea 8 pharynx 9 larynx 10 spleen 11 pancreas 12 galbladder 13 bladder 14 uterus 15 urethra 16 large intestine 17 small intestine 18 diaphragm 19 esophagus 20 aprendix