Final answer:
The incorrect statement about water in the human body is that water found between cells is called intracellular water; it is actually called interstitial fluid. The correct answer is option d.
Step-by-step explanation:
The term "intracellular water" refers to the water found inside the cells, not between the cells. The correct term for the water located between cells is "extracellular fluid."
a. Between 70-90% of the human body is water: This statement is generally accurate. Water constitutes a significant portion of the human body, typically ranging from 50% to 70% in adults, with variations based on factors like age, gender, and body composition.
b. Interstitial fluid and plasma are two subsets of extracellular fluid: This statement is correct. Extracellular fluid includes interstitial fluid (found between cells in tissues) and plasma (the liquid component of blood).
c. The balance between intracellular and extracellular water is critical for survival: This statement is true. Maintaining a balance between intracellular and extracellular water is crucial for cellular functions, osmotic balance, nutrient transport, and overall bodily homeostasis.
However, statement d incorrectly defines the location of intracellular water as being between cells. Intracellular water specifically refers to the water present within the cells themselves, constituting a significant portion of the total body water, while extracellular fluid includes interstitial fluid (between cells) and plasma (within blood vessels). Therefore, statement d does not accurately describe the location of water within the human body.