Across
- 1. the system that is responsible for immunity and fighting disease, major organs are the thyroid and spleen, also part of the circulatory system
- 4. the action that uses complex structures and oxygen to create ATP
- 6. synthesizing of complex structures into simpler ones
- 9. limbs, pelvic, pectoral girdles that serve as an attachment point
- 10. system allowing for body movement
- 12. the first step in creating ATP
- 14. the system made of blood vessels that move blood, oxygen, and nutrients through the body
- 16. the third step in creating ATP
- 18. the system that protects the organs and insulates
- 19. the system that specializes in communication and response
Down
- 2. the break down of substances into their simpler building blocks
- 3. this cycle is the second step in creating ATP
- 5. the system that breaks down food into small molecules that enter the blood through the small intestines and supplies nutrients
- 7. the system providing framework for muscle system and organs
- 8. the system for excreting waste, regulating water and electrolyte balance in the blood
- 11. the system that excretes CO2 and also keeps the blood supplied with oxygen
- 13. head, neck, trunk
- 15. the system made up of glands that regulates the reproductive system and metabolism
- 17. this system is controlled by the endocrine system