19 Questions
Which of the following is true about water?
Two-thirds of our body weight is water
What is the main function of water in the body?
Water acts as a solvent for chemical reactions
Which of the following is a building block of life?
All of the above
Which of the following is NOT a function of water in the body?
Breaking down food in the mouth
What percentage of water is found in the blood?
91%
Which of the following building blocks of life contains nitrogen?
Protein
Which of the following is NOT a function of water in the body?
Acts as a reactant in chemical reactions
Which of the following is the correct ratio of hydrogen to oxygen in carbohydrates?
2:1
Which of the following is the major transport mechanism in the body?
Blood
Which of the following is the correct ratio of hydrogen to oxygen in carbohydrates?
2:1
Which of the following is NOT a function of water in the body?
Breaking down food in the mouth
Which of the following building blocks of life contains nitrogen?
Proteins
What is the main function of water in the body?
Maintaining homeostasis
What percentage of water is found in the blood?
91%
Which of the following is NOT true about water?
It is not essential for the survival of living things
Which of the following is a function of water in the body?
Maintaining homeostasis
Which of the following is a major transport mechanism in the body?
Blood
Which of the following is NOT a building block of life?
Water
Which of the following is true about water?
It is the main component of body fluids and blood
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.
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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