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Multiple Choice
One of the major functions of the lymphatic system is __________.
A
maintaining the blood brain barrier
B
maintaining blood volume
C
elimination of nitrogenous wastes
D
bicarbonate synthesis
Verified step by step guidance
1
Understand the primary functions of the lymphatic system, which include maintaining fluid balance, protecting the body from infections, and absorbing lipids from the digestive tract.
Recognize that maintaining blood volume is a key function of the lymphatic system. It does this by returning excess interstitial fluid to the bloodstream, thus preventing edema and ensuring proper blood volume.
Consider the other options: maintaining the blood-brain barrier, elimination of nitrogenous wastes, and bicarbonate synthesis. These are not functions of the lymphatic system.
The blood-brain barrier is maintained by the endothelial cells of the brain's capillaries, not the lymphatic system.
Elimination of nitrogenous wastes is primarily a function of the kidneys, and bicarbonate synthesis is related to acid-base balance, primarily managed by the kidneys and respiratory system.