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Excretory System in Humans
The excretory system oversees water and salt level in your body, and it keeps them at balance by removing wastes. This helps the body to maintain homeostasis. In this experiment, you will do an introductory activity about the filtration in the kidneys and figure out which molecules can pass through. Aftwerwards, you will find the organs of the excretory system on a human model and match them with their duties.