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Grade 8 Review

Grade 8 Review. Cells to Systems. Cell Parts. Q1: What is the function of the mitochondria?. Cell Parts. A1: the function of the mitochondria is to create energy for the cell. Cell Parts. Q2: What is the function of the nucleus?. Cell Parts.

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Grade 8 Review

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  1. Grade 8 Review Cells to Systems

  2. Cell Parts • Q1: What is the function of the mitochondria?

  3. Cell Parts • A1: the function of the mitochondria is to create energy for the cell.

  4. Cell Parts • Q2: What is the function of the nucleus?

  5. Cell Parts • A2: The nucleus is the control centre of the cell.

  6. Cell Parts • Q3: What two extra organelles are found in plants only?

  7. Cell Parts • A3: Chloroplasts and Cell Wall

  8. Cell Parts • Q4: What is the function of the chloroplast?

  9. Cell Parts • A4: The function of the chloroplast is to create food from light – PHOTOSYNTESIS.

  10. Cell Parts • Q5: What is the function of the cell membrane?

  11. Cell Parts • A5: - controls the movement of substances in and out. • Provides protection (keeps foreign bodies out) • Holds the cell together - shape

  12. Cell Parts • Q6: What is the following organelle?

  13. Cell Parts • A6: Golgi Apparatus

  14. Circulation • Q7: What prevents blood from moving backwards in the heart and veins?

  15. Circulation • A7: Valves

  16. Circulation • Q8: What is the largest artery in the body?

  17. Circulation • A8: The Aorta

  18. Circulation • Q9: What molecule in the blood makes the blood red when combined with oxygen?

  19. Circulation • A9: Hemoglobin.

  20. Circulation • Q10: What are 2 waste products of respiration?

  21. Circulation • A10: Water and Carbon Dioxide

  22. Circulation • Q11: Approximately how many times does an average person’s heart beat while resting?

  23. Circulation • A11: 70-75 bpm

  24. Circulation • Q12: What is the large vein from the top of the body that enters the right atrium called?

  25. Circulation • A12: Superior Vena Cava.

  26. Microscopy • Q13: What part of the compound light microscope controls the amount of light that enters the microscope?

  27. Microscopy • A13: The diaphragm

  28. Microscopy • Q14: Who invented the microscope around the year 1609?

  29. Microscopy • A14: Anton von Leeuwenhoek

  30. Microscopy • Q15: If the ocular lens is 10x and the objective lens is 20x, what is the overall magnification?

  31. Microscopy • A15: 10 x 20 x = 200x

  32. Microscopy • Q16: How have microscopes advanced science and medicine?

  33. Microscopy • A16: - showed us “invisible” organisms • Helped us learn about cells and their function • Taught us about disease

  34. Cell Organization • Q17: What is a group of similar cells working together called?

  35. Cell Organization • A17: Tissues

  36. Cell Organization • Q18: What is a group of organs working together called?

  37. Cell Organization • A18: Organ Systems?

  38. Cell Organization • Q19: What organ system is made of - alveoli, pharynx, larynx and sinuses?

  39. Cell Organization • A19: Respiratory System

  40. Cell Organization • Q20: What organ system is made of • Thrombocytes • Erythrocytes • Myocardial tissues

  41. Cell Organization • A20: The Circulatory System

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