Across
- 2. The green pigment in plants essential for photosynthesis.
- 3. Small pores present on the surface of leaves.
- 5. The blood vessel that carries oxygenated blood from lungs to heart
- 6. Smallest functional unit of kidney.
- 7. The process by which plants make their own food using sunlight
- 9. A flap-like structure that prevents food from entering windpipe
Down
- 1. Process of breaking down food to release energy.
- 4. Enzyme in saliva that breaks down starch
- 5. Blood cells that help in clotting of blood
- 8. Main excretory organ in human beings.