The 12 Animal Organ Systems. 1 The Respiratory System. SCIEPRO/Getty Images. All cells need oxygen, the crucial ingredient for extracting energy from organic compounds. Animals … 2 The Circulatory System. 3 The Nervous System. 4 The Digestive System. 5 The Endocrine System. More items
organ system an organ or organs and other body structures that work together to perform a specific function pancreas produces and secretes insulin and various enzymes peristalsis a series of wave-like contractions of the esophagus to move food pharynx
organ system an organ or organs and other body structures that work together to perform a specific function pancreas produces and secretes insulin and various enzymes peristalsis a series of wave-like contractions of the esophagus to move food pharynx

12 Organ Systems Image Diagram - 12 Organ Systems Image Chart - Human anatomy diagrams and charts explained. This anatomy system diagram depicts 12 Organ Systems Image with parts and labels. Best diagram to help learn about health, human body and medicine.