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Transportation ...

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  • Question 1
    1 / -0

    Who discovered circulation of blood?

  • Question 2
    1 / -0

    Blood carries carbon dioxide to _______.

  • Question 3
    1 / -0

    The artery that carries deoxygenated blood is?

  • Question 4
    1 / -0

    The upper two chambers of a heart are known as________.

  • Question 5
    1 / -0

    How many kidneys does human have?

  • Question 6
    1 / -0

    What is the main function of the excretory system?

  • Question 7
    1 / -0

    Plants have_____ to transport water to the entire plant.

  • Question 8
    1 / -0

    The following graph depicts the rate and extent of a person's breathing just before exercise.
    Here V is the volume of air in lungs in $$dm^3$$ and t is the time in seconds. Which of the following graph best depicts the rate and extent of breathing of the same person immediately after a period of exercise?

  • Question 9
    1 / -0

    Match the following:

     1. Kidneys(a) Air 
     2. Heart(b) Food
     3. Lungs(c) Blood 
     4. Stomach(d) Wastes

  • Question 10
    1 / -0

    The distinguishing feature of an artery from a vein is:

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