Across
- 2. The name of the two pumping chambers of the heart.
- 4. A muscular organ that pumps blood around the body.
- 8. Carries blood to the lungs.
- 9. Structures found in the heart and veins that stop the backflow of blood.
- 10. The number of chambers in the heart.
- 11. cava Vein that carries blood from the body to the heart.
- 12. Blood vessel with a thick muscular wall.
Down
- 1. Carries blood from the lungs to the heart.
- 3. Cell process that uses oxygen and nutrients and gives out carbon dioxide.
- 5. The heart is made of...
- 6. Artery that carries blood away from the heart.
- 7. Blood vessel that links the arteries and veins.
- 12. The name of the two receiving chambers of the heart.