Across
- 1. A system that is responsible for fighting against bacteria, viruses, or infections
- 4. A system that acts as the body's command center
- 6. an organ pumping blood
- 9. a system responsible for breaking down and processing food in the body
- 10. contract and relax to create motion
- 11. A system responsible to expel toxins and other wastes from blood.
- 12. a system with blood vessels, arteries, veins and a specific organ all over the body
Down
- 2. A system that is the external layer of the human body, includes the biggest organ in the human body and hair
- 3. A cell responsible for receiving sensory input, and sending motor signals, and relaying electrical signals throughout the body.
- 5. a system providing bone structure for the body, and protection for vital organs
- 7. The biggest internal organ, used in detoxification of blood and protein synthesis
- 8. A system where gas exchange between oxygen and carbon dioxide take place
- 11. a system responsible for hormones and some important processes, and consists of mostly glands