Unit 2 Crossword
Across
- 1. System that takes in food.
- 7. System that allows for movement by contracting.
- 10. Organ in the skeletal system, starts with a B.
- 11. System that removes waste products from cellular metabolism.
- 12. Organ in the nervous system, starts with a B.
- 15. The least complex segment of the levels of organization.
- 17. System that allows organisms to reproduce which prevents their species from becoming extinct.
- 20. Hormone in the immune system
- 21. Organ in the respiratory system, starts with an N.
- 24. System that stores and carries WBC's that fight disease.
- 26. System that protects organs.
- 27. The 4th most complex segment of the levels of organization.
Down
- 2. System that barriers against infections.
- 3. Organ in the excretory system, starts with a K.
- 4. System that transports materials to and from cells.
- 5. The 3rd most complex segment of the levels of organization.
- 6. System that regulates body activities using hormones.
- 8. System that gathers and interprets information.
- 9. System that fights off foreign invaders in the body.
- 13. Organ in the muscular system, starts with a C.
- 14. Organ in the digestive system, starts with an M.
- 16. A theory that states that all living things are made of cells, cells come from pre-existing cells, and cells are the basic unit of life.
- 18. The most complex segment of the levels of organization.
- 19. Organ in the endocrine system, starts with a G.
- 22. System that takes in oxygen and removes carbon dioxide and water.
- 23. Organ in the circulatory system, starts with an H.
- 25. The 2nd most complex segment of the levels of organization.