Fluids that are contained in our system are separated into various compartments. Which of the following accounts for the majority of our total body weight?
a. Extracellular fluid
b. Intravascular fluid
c. Intracellular fluid
d. Interstitial fluid
c
Rationale: a. Extracellular fluid accounts for about 15 percent of total body weight.
b. Intravascular fluid accounts for about 4.5 percent of total body weight.
c. Correct. Intracellular fluid accounts for about 45 percent of total body weight.
d. Interstitial fluid accounts for about 10.5 percent of total body weight.
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