A lymph node has many afferent vessels entering, but a single efferent vessel leaving the node. Why is this important?

A lymph node has many afferent vessels entering, but a single efferent

1.	A lymph node has many afferent vessels entering, but a single efferent vessel leaving the node. Why is this important?
Answer» A lymph node has many afferent vessels entering, but a single efferent vessel leaving the node. Why is this important?