The human excretory system is a system that functions to remove unnecessary or harmful waste substances from the body's metabolism, thus helping to maintain the balance of body fluids and eliminate toxic substances. This system consists of several organs that work together to remove these residual substances in the form of urine, sweat, carbon dioxide, and others, so that the body can function normally and healthily.

Please listen carefully and please pay close attention to this material!✨

for those who can't open the PDF version on your Android old version.

so that you can understand more about this topic.

🧩 Study Case:

A student named Raka experienced swelling in his legs and often felt nauseous. After the examination, the doctor stated that Raka had decreased kidney function due to the consumption of fast food that was high in salt and drank less water. He also rarely exercised and often withheld urination because the school toilets were not clean.

Group Assignment:

- Analysis of the causes of excretory disorders in Raka.

- Identify the affected organ and its working mechanism.

- Make healthy lifestyle recommendations to prevent similar cases.