Water, functions of water, building blocks of life
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Questions and Answers

Which of the following is true about water?

  • The distribution of body water does not affect homeostasis
  • Water is not a major ingredient of body fluids and blood
  • Two-thirds of our body weight is water (correct)
  • Water is not required for the survival of living things

    • What is the main function of water in the body?

  • Water helps to absorb heat and regulate temperature
  • Water serves as a lubricant in the mouth
  • Water acts as a solvent for chemical reactions (correct)
  • Water is a building block of life

    • Which of the following is a building block of life?

  • Carbohydrates
  • Lipids
  • Proteins
  • All of the above (correct)

    • Which of the following is NOT a function of water in the body?

    <p>Breaking down food in the mouth</p> Signup and view all the answers

    What percentage of water is found in the blood?

    <p>91%</p> Signup and view all the answers

    Which of the following building blocks of life contains nitrogen?

    <p>Protein</p> Signup and view all the answers

    Which of the following is NOT a function of water in the body?

    <p>Acts as a reactant in chemical reactions</p> Signup and view all the answers

    Which of the following is the correct ratio of hydrogen to oxygen in carbohydrates?

    <p>2:1</p> Signup and view all the answers

    Which of the following is the major transport mechanism in the body?

    <p>Blood</p> Signup and view all the answers

    Which of the following is the correct ratio of hydrogen to oxygen in carbohydrates?

    <p>2:1</p> Signup and view all the answers

    Which of the following is NOT a function of water in the body?

    <p>Breaking down food in the mouth</p> Signup and view all the answers

    Which of the following building blocks of life contains nitrogen?

    <p>Proteins</p> Signup and view all the answers

    What is the main function of water in the body?

    <p>Maintaining homeostasis</p> Signup and view all the answers

    What percentage of water is found in the blood?

    <p>91%</p> Signup and view all the answers

    Which of the following is NOT true about water?

    <p>It is not essential for the survival of living things</p> Signup and view all the answers

    Which of the following is a function of water in the body?

    <p>Maintaining homeostasis</p> Signup and view all the answers

    Which of the following is a major transport mechanism in the body?

    <p>Blood</p> Signup and view all the answers

    Which of the following is NOT a building block of life?

    <p>Water</p> Signup and view all the answers

    Which of the following is true about water?

    <p>It is the main component of body fluids and blood</p> Signup and view all the answers

    Study Notes

    Water in the Body

    • Water is a building block of life.
    • The main function of water in the body is to serve as a transport mechanism.

    Composition of Water

    • The correct ratio of hydrogen to oxygen in water is 2:1.

    Blood Composition

    • Approximately 83% of blood is composed of water.

    Nitrogen-Containing Building Blocks

    • Nitrogen is found in some building blocks of life.

    Functions of Water

    • Water helps to transport nutrients and oxygen to cells.
    • Water helps to remove waste products from cells.
    • Water is NOT a primary source of energy for the body.

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    Description

    Test your knowledge about the importance of water in our bodies and the role it plays in maintaining homeostasis. Explore fascinating facts about the composition of our bodies and the potential dangers of water imbalance.

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