Which of the following statements about lymph and lymph vessels is true?
A. Valves inside the lymph vessels direct the flow of lymph in either direction.
B. Lymph vessels eventually drain into one collecting duct.
C. Lymph returns to the cardiovascular system through a network of open lymph capillaries and vessels that drain the tissues of lymph.
D. Lymph leaves the system of blood vessels through the veins due to blood pressure.
Answer: C
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As ventilation increases and more carbon dioxide is removed from the blood, the hydrogen ion concentration of the blood decreases
Indicate whether the statement is true or false
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