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Water in the Human Body Quiz

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Questions and Answers

What percentage of total body weight can the average water content of the human body range from?

50% to 85%

40% to 75% (correct)

30% to 70%

60% to 80%

Which statement about water in the human body is true?

Water acts as a solvent for all biochemical processes. (correct)

Water content increases with age.

Intracellular fluid accounts for about one third of total body water.

Women have a higher average water content than men.

How does water help in waste removal in the human body?

By transporting nutrients.

By forming tissues.

By regulating body temperature.

By way of urine. (correct)

What percentage of plasma is composed of water?

93% Signup and view all the answers

Which factor contributes to women having lower average water content than men?

Higher fat content. Signup and view all the answers

What compartments is water located in within the human body?

Intracellular and extracellular compartments. Signup and view all the answers

Study Notes

Water in the Human Body

Human body water content ranges from 40% to 75% of total body weight.
Water content decreases with age and obesity.
Women generally have lower water content than men due to higher fat percentage.
Water is a crucial solvent for bodily processes.

Water's Role in the Body

Transports nutrients to cells.
Regulates cell volume by controlling water movement in and out of cells.
Removes waste products through urine.
Acts as a coolant through sweating.

Body Fluid Compartments

Body water is divided into intracellular and extracellular compartments.
Intracellular fluid (ICF) is inside cells and makes up about two-thirds of total body water.
Extracellular fluid (ECF) is outside cells and accounts for one-third of total body water.
ECF further divides into intravascular (plasma) and interstitial fluid (surrounds cells).
Plasma is approximately 93% water, with the remaining composed of lipids and proteins.

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Description

Test your knowledge about the role of water in the human body with this quiz. Explore how water content varies with age and gender, as well as its critical functions in nutrient transport and waste removal. Learn about the different body fluid compartments and their importance in maintaining health.