Edema in the lower extremities may appear when there is a severe lack of dietary protein because ________.

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Edema in the lower extremities may appear when there is a severe lack of dietary protein because blood protein levels drop and fluid shifts into interstitial spaces. Protein is responsible for maintaining the balance of fluid in the body by regulating the movement of water across capillary walls. Without enough protein, water can leak out of the blood vessels and into the surrounding tissues, leading to edema.

Edema in the Lower Extremities May Appear When There Is