He systems of the human body work together to maintain homeostasis. Which of the following statements BEST describes how the human body maintains homeostasis within the circulatory system? A. The lymph nodes collect excess fluid and deliver it to the kidneys through the blood vessels.

B. Blood vessels expand to help the body shed heat and sweat is released through the skin.

C. The lungs pull carbon dioxide from red blood cells in the alveoli and diffuse oxygen into the red blood cells.

D. Veins and arteries supply all parts of the body with nutrient-rich blood and remove the nutrient-lacking blood.