Across
- 5. Produces electrical impulses to spead throught the heart
- 6. Attracts oxygen in red blood cells
- 7. A type of mammal where the fetus is almost fully developed before birth
- 8. Required in photosynthesis
- 10. C_________ System
- 11. Food chemical after digestion of protein
- 14. Similar to bone in the teeth
- 15. The powerhouse of a cell
- 18. Stops blood from going the wrong way in veins
- 20. Makes up a layer near the top surface of a leaf
- 25. In the nucleus
- 26. Gives plants the 'green' colour
- 28. Released during digestion
- 30. The most numerous type of blood vessels
- 33. Animals, Plants, Fungi, Monera & _____
- 34. Big organelle in plant cells
- 36. Act as a filter which removes all unwanted wastes from the body
- 37. A type of excretion
- 38. Small openings under a leaf
Down
- 1. This is created during photosynthesis
- 2. The condition when there is insufficient supply of oxygen
- 3. Where red blood cells are produced
- 4. Where does the vena cava lead to
- 6. Another word for blood pressure
- 8. Janssen Brothers who invented the first compound microscope
- 9. Muscles that make up the heart
- 10. Holds the tooth in its socket
- 12. This connects the kidneys to the bladder
- 13. How many times does your body breathe a day
- 16. What forms tissue
- 17. Water is absorbed through this during photosynthesis
- 19. Carries deoxygenated blood to the heart
- 21. Another word for consumers
- 22. Type of blood pressure when the heart contracts
- 23. Cells found in the stems of plants
- 24. An organ of the Excretory System
- 27. Leaves turn dark blue or purple if in contact with iodine when covered from the sun
- 29. Always carries blood away from the heart
- 31. Helps blood to clot
- 32. Another word for producers
- 34. Always carries blood to the heart
- 35. What are the little hairs in the nostrils
