Across
- 3. The respiratory system is responsible for gas exchange through breathing.
- 6. A pair of organs that supply oxygen to the body and removes carbon dioxide.
- 7. The main artery that Carries blood away from the heart to the rest of the body.
- 8. A muscular tube that forces food inside the stomach.
Down
- 1. Take the deoxygenated blood from the muscles back to the heart.
- 2. A system that transports oxygen, nutrients, hormones, immune cells, etc.
- 4. A system that breaks down waste into it
- 5. An oval shape cavity in the skull responsible for breaking down food.