Across
- 2. fibers,consist of a single muscle cell
- 5. any of the fine branching blood vessels that form a network
- 6. tissue, tissue found in animals which functions by contracting,
- 7. system, is responsible for the elimination of wastes
- 8. steady internal, physical, and chemical conditions maintained by living systems
- 9. are a pair of spongy, air-filled organs
- 13. vessels that deliver oxygen-rich blood
- 14. system,made up of the gastrointestinal tract
- 16. digestion,breaking down the food into simpler nutrients
- 17. system, includes all of the bones and joints in the body.
- 18. resistant to a particular infection or toxin
- 19. any member of a class of signaling molecules in multicellular organisms
- 20. digestion,makes the food smaller to increase both surface area and mobility
Down
- 1. system, consisting of skeletal, smooth and cardiac muscles.
- 3. system, an organism, also known as the genital system
- 4. smallest structural and functional unit of an organism
- 10. system, network of organs and tissues that help you breathe.
- 11. vessels that carry blood towards the heart
- 12. a group of tissues that preform a specific funtion
- 15. a group of cells in an animal's body that synthesizes substances