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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 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 • A2: The nucleus is the control centre of the cell.
Cell Parts • Q3: What two extra organelles are found in plants only?
Cell Parts • A3: Chloroplasts and Cell Wall
Cell Parts • Q4: What is the function of the chloroplast?
Cell Parts • A4: The function of the chloroplast is to create food from light – PHOTOSYNTESIS.
Cell Parts • Q5: What is the function of the cell membrane?
Cell Parts • A5: - controls the movement of substances in and out. • Provides protection (keeps foreign bodies out) • Holds the cell together - shape
Cell Parts • Q6: What is the following organelle?
Cell Parts • A6: Golgi Apparatus
Circulation • Q7: What prevents blood from moving backwards in the heart and veins?
Circulation • A7: Valves
Circulation • Q8: What is the largest artery in the body?
Circulation • A8: The Aorta
Circulation • Q9: What molecule in the blood makes the blood red when combined with oxygen?
Circulation • A9: Hemoglobin.
Circulation • Q10: What are 2 waste products of respiration?
Circulation • A10: Water and Carbon Dioxide
Circulation • Q11: Approximately how many times does an average person’s heart beat while resting?
Circulation • A11: 70-75 bpm
Circulation • Q12: What is the large vein from the top of the body that enters the right atrium called?
Circulation • A12: Superior Vena Cava.
Microscopy • Q13: What part of the compound light microscope controls the amount of light that enters the microscope?
Microscopy • A13: The diaphragm
Microscopy • Q14: Who invented the microscope around the year 1609?
Microscopy • A14: Anton von Leeuwenhoek
Microscopy • Q15: If the ocular lens is 10x and the objective lens is 20x, what is the overall magnification?
Microscopy • A15: 10 x 20 x = 200x
Microscopy • Q16: How have microscopes advanced science and medicine?
Microscopy • A16: - showed us “invisible” organisms • Helped us learn about cells and their function • Taught us about disease
Cell Organization • Q17: What is a group of similar cells working together called?
Cell Organization • A17: Tissues
Cell Organization • Q18: What is a group of organs working together called?
Cell Organization • A18: Organ Systems?
Cell Organization • Q19: What organ system is made of - alveoli, pharynx, larynx and sinuses?
Cell Organization • A19: Respiratory System
Cell Organization • Q20: What organ system is made of • Thrombocytes • Erythrocytes • Myocardial tissues
Cell Organization • A20: The Circulatory System