Across
- 5. the immune system can help protect the body because this system gives it oxygen
- 6. the immune system works with this system for transportation; the white blood cells travel in blood vessels
- 7. the immune system works with the brain to control how much of an immune response something will have. The brain belongs to this system
Down
- 1. the immune system works with this system for production; it produces all of the white blood cells
- 2. or somtimes is reffered to as the body
- 3. the immune system works with this system for immune support and immune cells interact with the microbiome, which belongs to this system
- 4. the main function of the immune system is to _________ the body
