: Lymphatic System

The lymphatic system contains thin-walled vessels and valves that promote flow in one direction Movement of the lymph fluid through valves is caused by

Children are constantly fighting off new germs and infections Their lymphatic system quickly responds to these foreign particles When this happens, lymph

respiratory system Lymph, pale fluid that bathes the tissues of an organism, maintaining fluid balance, and removes bacteria from tissues; it enters the blood system by way of

immune system Like the venous system, the lymphatic system consists of a multitude of thin-walled vessels that transport fluid throughout the body Small lymphatic vessels