Solved by a verified expert:13. In healthy individuals glucose is found in the glomerular filtrate but not in the urine because:Glucose is reabsorbed back into the bloodstream The kidney cells require glucose because energy is needed for active transport Glucose molecules are too large to pass through the loop of the nephronThe kidneys store glucose as glycogen Glucose is converted to amino acids in the kidneys14. How is it that animals such as hydras and flatworms do not have a traditional circulatory system, yet they are capable of gas exchange?Hydra and flatworms exchange gases across the cells of their gill cavity. Hydra and flatworms exchange gases across the cells that line the gastrovascular cavity. Hydra and flatworms exchange gases across the cells of their coelom. Hydra and flatworms exchange gases across the cells of their skin performing cutaneous respiration. Hydra and flatworms exchange gases across the cells of their lungs.15. What is the role of HCl in the stomach?Activates digestive enzyme pepsin It is a symptom of a digestive disorder Only to cause stomach ulcers Digestive enzyme to hydrolyze fats Aids in the digestion of starch
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