Across
- 2. Respiratory organ in fishes
- 4. Transports water and minerals in plants
- 5. Largest artery
- 8. Finger like projections in small intestine
- 9. Largest vein
- 12. Respiratory pigment in humans
Down
- 1. It helps in emulsification of fats
- 3. helps in exchange of gases
- 6. A dome shaped muscle that separates chest and abdomen
- 7. Initiates protein digestion
- 10. mode of nutrition in humans
- 11. They carry blood towards the heart