Karthikeyan

Definition: The system that removes waste products from your body to keep you healthy.

Main parts & their jobs:

1. Kidneys – filter blood and make urine.

2. Lungs – remove carbon dioxide when you breathe out.

3. Skin – removes waste as sweat.

4. Liver – breaks down harmful substances (like toxins, alcohol, drugs).

Why it’s important:

• Prevents harmful waste from building up.

• Keeps the balance of water and salts in your body.

• Helps control body temperature (sweating).