Across
- 1. The fluid that circulates in the principal vascular.
- 3. One of two main branches.
- 5. A blood vessal.
- 7. Node any glandlike masses of tissue in the lymphatic.
- 8. The system by which lymph is returned from.
- 9. Of relating to,or affecting the heart.
- 10. In biology,a vessel that carries blood to the heart.
- 11. Tiney.
- 12. A part of respiratory system that extends.
Down
- 2. The part of respiratory system between pharynx.
- 4. A collection of organs.
- 6. Thin/walled.
- 9. A tiny blood vessel.