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GRADE 10 BLOOD

Quiz by JOSHILA VIJI

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16 questions
Show answers
  • Q1
    What is the circulatory system?
    The body's food-processing system
    The body's system of nerves
    The body's breathing system
    The body's blood-transporting system
    30s
  • Q2
    2. From what source do cells get their food?
    Other cells
    Oxygen
    Carbon dioxide
    Blood
    30s
  • Q3
    3. Why is oxygen important to blood and to the cells?
    Oxygen helps the blood to clot.
    Oxygen is necessary for cell growth and energy.
    Oxygen brings food to the cells.
    Oxygen is not important -- carbon dioxide is the most important substance to the body.
    30s
  • Q4
    4. Which type of blood vessels carries blood away from the heart?
    Arteries
    Veins
    Arteries, veins and capillaries
    Capillaries
    30s
  • Q5
    Why is blood that flows from the lungs to the heart bright red rather than dark red?
    Oxygen makes it red.
    Carbon dioxide makes it red.
    The lungs add a pigment (dye) to blood as it flows through them.
    Gastric juices produce the red colour of the blood.
    30s
  • Q6
    What part of the blood carries minerals, vitamins, sugar, and other foods to the body's cells?
    White corpuscles
    Plasma
    Platelets
    Red corpuscles
    30s
  • Q7
    What is the main job of the red corpuscles in the blood?
    To fight disease
    To transport carbon dioxide to the body's cells and carry away oxygen from the cells
    To transport oxygen to the body's cells and carry away carbon dioxide from the cells
    To clot blood
    30s
  • Q8
    Which of the following can best be compared to soldiers?
    Lungs
    Capillaries
    Red blood cells
    White blood cells
    30s
  • Q9
    Which element in the blood is round and colourless?
    Platelets
    Red blood cells
    White blood cells
    Plasma
    30s
  • Q10
    What would happen to people who have an open wound and whose blood did not clot naturally?
    Nothing. Clotting is not important.
    They would have to take regular doses of plasma.
    They would have to take regular doses of platelets.
    They may bleed to death.
    30s
  • Q11
    What happens when a clot occurred in an undamaged blood vessel?
    Platelets stick to the edges of the cut and to one another, forming a plug.
    You would bleed to death.
    A scab will form on the skin surface.
    The flow of blood to tissues beyond the clot may be cut off.
    30s
  • Q12
    What happens to blood when it is pumped into the thin-walled blood vessels of the lungs?
    Nothing -- the lungs are just a place blood goes through on its way back to the heart.
    Blood fills the lungs and causes coughing.
    Carbon dioxide is replaced with oxygen.
    Platelets are exchanged for plasma.
    30s
  • Q13
    What is the function of the blood vessels and capillaries?
    They filter impurities from the blood.
    They carry messages from the brain to the muscles.
    They carry blood to all parts of the body.
    They pump blood to the heart.
    30s
  • Q14
    Why does blood turn dark red as it circulates through the body?
    It gets old and dirty flowing through the body.
    It starts to clot.
    The farther blood is from the heart, the more dark red it is.
    The oxygen in it is replaced with carbon dioxide.
    30s
  • Q15
    How many major types of blood have scientists discovered?
    Two: white cells and red cells
    Four: Types A, B, AB, and O
    Three: white cells, red cells, and plasma
    One: Type "O"
    30s

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