Across
- 2. : Breakdown of glucose in the absence of oxygen
- 4. : Mode of nutrition in humans
- 7. : Muscle that helps in breathing
- 10. : Organ where food is temporarily stored
- 13. : Gas released during photosynthesis
- 14. : Carbohydrate formed during photosynthesis
- 16. : Process of release of energy from food in cells
- 18. : Air sacs in the lungs where gas exchange occurs
- 19. : Tiny pores on the leaf surface for gas exchange
- 20. : Type of respiration using oxygen
- 21. : Organ that secretes bile
Down
- 1. : Type of nutrition in fungi
- 3. : Process by which plants make their own food
- 5. : Organ where most digestion occurs
- 6. : Tube connecting the mouth to the stomach
- 8. : Green pigment required for photosynthesis
- 9. : Structure in leaves where photosynthesis occurs
- 11. : Openings through which air enters the body
- 12. : Enzyme that digests proteins in the stomach
- 15. : End product of anaerobic respiration in muscles
- 17. : Enzyme present in saliva