Across
- 1. totally or partially resistant to a particular infectious disease or pathogen:
- 3. soft tissue that works together with bones
- 5. bean shaped organs that filter waste and excess water
- 7. main organ of the circulatory system
- 9. removal of harmful wastes
- 13. vertebrates that is part of the immune system
- 14. breaks down food into smaller parts
Down
- 2. allows an organism to communicate
- 4. producing urine from the body
- 6. relating to the circulation of blood or sap
- 8. each of a set of hard, bony enamel-coated structures in the jaws of most vertebrates, used for biting and chewing
- 10. a network of glands that secrete hormones that help cells communicate
- 11. the internal framework of the body
- 12. Allows plants and animals to exchange gases