Across
- 1. Pumps oxygenated blood to body parts
- 4. The main artery that carries blood
- 6. Back of the throat above the windpipe
- 8. Recieves blood from the lungs
- 9. Made of elastic fibre tissues
Down
- 2. Recieves blood low in oxygen
- 3. Trachea is made of thick rings of cartilage
- 5. Delivers oxygen cells in your body
- 7. Cone-shaped muscular tube
