Biology G8 Chp 1

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Across
  1. 2. organ that helps with breathing.
  2. 5. equipment and the smallest difference it can measure. The smaller the difference it can measure, the more precise the measuring equipment is.
  3. 6. tube-shaped organ that allows air to flow in and out of your lungs.
  4. 9. liquid tissue that carries substances around the body.
  5. 10. large tube leading from the trachea into a lung.
  6. 13. ….. systems is group of organs that support the body and allow movement.
  7. 15. waving strands that stick out of some cells.
  8. 17. tiny blood vessel found in all the tissues of your body.
  9. 21. how precise your measurement is depends on the
  10. 22. ….. system is group of organs that get oxygen into the blood and remove carbon dioxide Also called the breathing system.
  11. 25. liquid part of the blood.
  12. 26. ….. vessels tube-shaped organs that carry blood around the body.
  13. 28. organs that get oxygen into the blood and remove carbon dioxide.
  14. 29. ….. (muscle) is When muscle tissue gets shorter and fatter it contracts.
  15. 31. chemical process that happens inside cells to release energy.
  16. 36. substances that traps oxygen
  17. 37. ….. system group of organs that moves blood around the body.
  18. 39. a substance that an organism needs to stay healthy and survive.
  19. 40. sticky liquid that traps particles
  20. 41. breathing out
  21. 43. bone that helps to protect your heart and lungs
  22. 44. another term for your skeletal system.
Down
  1. 1. ….. rate is the number of times you inhale and exhale in one minute.
  2. 3. ….. cell is cell that helps form a stoma in a leaf, to allow gases in and out.
  3. 4. movement of blood around the body.
  4. 7. small tubes leading from the bronchus in a lung.
  5. 8. tiny, pocket-shaped structure in lungs where gas exchange happens.
  6. 11. ….. system is group of organs working together.
  7. 12. the bones in your back
  8. 14. ….. exchange is when two or more gases move from place to place in opposite direction
  9. 16. ….. muscles is muscles that join the ribs together, and move the ribcage to change the volume of your chest during breathing.
  10. 18. breathing in.
  11. 19. ….. respiration is respiration that requires oxygen to release energy from glucose.
  12. 20. movements of muscles in your respiratory system that cause air to move in and out of your lungs.
  13. 23. hole in a leaf formed between two guard cells.
  14. 24. …. area is the area of a surface, measured in squared units such as square centimetres
  15. 25. a microorganism that causes a disease.
  16. 27. ….. equation is model showing what happens in a chemical reaction, with reactants on the left of an arrow and products on the right.
  17. 30. all your ribs.
  18. 32. a collection of bones that protect your brain.
  19. 33. place in your skeleton where bones meet
  20. 34. the spreading out of particles from where there are many (high concentration) to where there are fewer (lower concentration).
  21. 35. ….. blood cell is cell that helps destroy microorganisms
  22. 38. ….. blood cell is cell that contains haemoglobin so it can carry oxygen.
  23. 42. area inside the body between the ribcage, neck, backbone and diaphragm.