Signs of malnutrition tend to appear most often in parts of the body where cell replacement occurs at a rapid rate, including all of the following except the:

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The respiratory tract does not undergo rapid cell replacement, therefore signs of malnutrition would not appear there. The other options (hair, skin, and digestive tract) have a high turnover rate of cells and may show signs of malnutrition. While malnutrition can affect many parts of the body, signs of malnutrition do not typically appear in the respiratory tract. This is likely due to the fact that cell replacement in the respiratory tract occurs at a slower rate compared to other areas such as the skin, hair, and digestive tract.

Signs of Malnutrition Tend to Appear Most Often in Parts