Question

organs: lymph nodes, spleen and lymphatic vessels
functions: acts like a \drain\ to remove the bodys excess fluid and return portions to the blood. contains lymphocytes (a type of white blood cell) that protect the body against disease.
choose an answer
1 integumentary system
2 lymphatic system
3 muscular system
4 cardiovascular system

Explanation:

The lymphatic system includes lymph nodes, spleen, and lymphatic vessels. Its functions match the description: removing excess fluid (like a "drain") and having lymphocytes (white blood cells) for disease protection.

Answer:

1. Lymphatic System