Across
- 2. system It breaks down food into nutrients for the absorption of the body cells.
- 3. It absorbs vitamin D which is essential for bone formation.
- 9. It protects internal organs such as the heart, lungs, and stomach.
- 10. system It works with the respiratory system to deliver oxygen to body cells.
Down
- 1. system It needs the circulatory system for the transfer and transport of oxygen and carbon dioxide.
- 4. It provides support and allows movement.
- 5. It moves through the pulmonary arteries and veins that connect the heart.
- 6. It protects the musculoskeletal system from the hazards of the outside world.
- 7. It pumps blood to the lungs and all parts of the body.
- 8. The main organ of the respiratory system which takes in oxygen and releases carbon dioxide.