body systems

3. System that defends the body against infections and diseases.
4. System that includes skin, hair, and nails, protecting the body.
6. System that brings oxygen into the body and removes carbon dioxide.
8. System that controls body activities with electrical signals.
10. System responsible for transporting blood, nutrients, and gases throughout the body.
11. System that removes waste products from the blood and maintains water balance.
12. System that breaks down food into nutrients the body can use.

1. System that produces hormones to regulate body functions.
2. System responsible for movement of the body and internal organs.
5. System responsible for producing offspring.
7. System that provides structure and support to the body.
9. System that helps rid the body of toxins and waste, part of the immune system.