Across
- 3. that carries food from the mouth to the stomach. (9)
- 4. 2. RESPIRATION, 4. OESOPHAGUS (or ESOPHAGUS), 6. NEPHRON, 9. OXYGEN, 10. ARTERY
- 6. released during photosynthesis. (6)
- 8. openings on leaves for gas exchange. (8)
- 9. by which green plants make food. (13)
- 10. product removed by the kidneys. (4)
Down
- 1. vessels that carry blood away from the heart. (7)
- 2. pigment in blood that carries oxygen. (10)
- 3. functional units of the kidney. (8)
- 5. that pumps blood. (5)
- 7. 1. PHOTOSYNTHESIS, 3. STOMATA, 5. HAEMOGLOBIN, 7. HEART, 8. UREA
- 8. process of breaking down food to release energy. (11)