Which best explains why blood is considered to be a suspension?
A. It has nutrients that cannot be dissolved.
B. It contains particles that can settle out.
C. It has nutrients that are dissolved in its liquid portion.
D. It contains particles that mix on a molecular level.
Answer (2)
Blood is considered a suspension because it contains particles, such as cells, that can settle out when at rest and do not dissolve completely in the liquid portion called plasma. Therefore, the correct answer to the question is option B: It contains particles that can settle out.
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Blood is considered a suspension because it contains particles, such as cells, that can settle out when at rest. These particles do not dissolve in the plasma, unlike nutrients that are fully dissolved. This distinction makes blood a unique mixture classified as a suspension. ;
