Final answer:
The circulatory system includes the heart, arteries, and veins, and works closely with the respiratory, digestive, and lymphatic systems to support bodily functions and maintain homeostasis. The correct option is a.
Step-by-step explanation:
The circulatory system is responsible for the flow of blood and encompasses the heart, blood vessels, and blood. This system works closely with other independent systems to maintain homeostasis in the body.
Among the options provided, the correct description of how three independent systems work together with the circulatory system is: The heart, arteries, and veins.
The circulatory system operates in conjunction with the respiratory system by transporting oxygen from the lungs to the cells of the body and carbon dioxide from the cells back to the lungs.
The digestive system works with the circulatory system by providing nutrients from digested food that are transported to the cells of the body. Lastly, the lymphatic system works with the circulatory system by draining excess fluids from tissues and providing immune cells to help fight infection. Option a. is the correct one.