Across
- 4. carries deoxygenated blood to the lungs from the heart
- 7. the thickest part of the heart that pumps oxygenated blood into the aorta.
- 9. a muscular pump that pushes blood around the body.
- 10. a waste gas produced by cells.
- 11. a blood vessel that transports blood from the lungs to the heart
- 12. carry blood towards the heart.
Down
- 1. an artery that carries oxygenated blood to the cells of the body.
- 2. 2 large veins that carry carbon dioxide rich blood from the body cells to the heart.
- 3. a chemical reaction that occurs inside cells that produces energy.
- 5. a part of the heart that receives carbon dioxide rich blood from the body cells.
- 6. a sugar that is used for cellular respiration.
- 8. carry blood away from the heart.