Across
- 3. The system that defends the body against harmful substances and infections.
- 7. The system that includes the skin, hair, nails, and glands, protecting the body from external damage.
- 8. The system that produces hormones to regulate various body functions.
- 9. The system involved in the intake of oxygen and removal of carbon dioxide.
- 10. The system involved in the production of offspring.
Down
- 1. The system that provides structure and support to the body, protecting vital organs.
- 2. The system of organs and tissues that transports nutrients, gases, and wastes through the body.
- 4. The system responsible for producing and excreting urine to remove waste from the body.
- 5. The system that transmits signals between the brain and the rest of the body.
- 6. The system that breaks down food into nutrients that can be absorbed and used by the body.