Circulatory& Respiratory Systems, Fermentation & Cellular Respiration. 1) Trace the path a glucose molecule would follow on its journey through the body and into a cell, starting out as a noodle. 2) Trace the path an oxygen molecule would follow on its journey through the body and into a cell and the path a carbon dioxide molecule would take on its way out of the body. Be sure to include the following vocabulary words: Digestive system Respiratory System Circulatory System mouth Nasal passage esophagus trachea Bronchi Stomach small intestine bronchioles Villi hydrolysis alveoli lungs artery Arterioles capillaries venules veins vena cava Rt & left atriums rt. & left ventricles pulmonary artery & vein red blood cell plasma hemoglobin diffusion cell cytoplasm mitochondria Glycolysis Kreb's cycle Electron Transport Chain ATP pyruvic acid lactic acid 3) Explain the difference between fermentation and respiration. 4) Explain the parts of the blood and their functions. 5) Describe the different blood vessels.