Activity 1: Systems Terminology Choosing from the list of systems below, fill in the chart by naming the system(s) that the above organs are a part of (some are a part of two systems): Endocrine, digestive, reproductive, urinary, respiratory, cardiovascular, nervous, and immune Organ System Brain Spinal Cord Heart Lungs Spleen Trachea Esophagus Diaphragm Thyroid Kidneys Liver Gall Bladder Stomach Pancreas Adrenal Glands Uterus Ovary Testis Pens Organ System Brain Spinal Cord Heart Lungs Spleen Trachea Esophagus Diaphragm Thyroid Kidneys Liver Gall Bladder Stomach Pancreas Adrenal Glands Uterus Ovary Testis Pens .