Final answer:
Lymph flows towards the heart in the one-way system of the lymphatic system.
Explanation:
Lymph flows in a one-way system toward the heart. The lymphatic system, which includes lymph nodes and the spleen, plays a crucial role in filtering foreign particles and microbes from the body's fluids.
Learn more about lymphatic system here:
https://brainly.com/question/14766016
