What causes the flow of lymph to slow within lymph nodes?
A)Afferent vessels are much larger in diameter than efferent vessels.
B)Afferent vessels contract, restricting lymph flow.
C)Valves at the exit site regulate lymph flow, allowing only small amounts out at a time.
D)There are more afferent vessels than efferent vessels.

Question

Quizplus · Accepted Answer

The flow of lymph slows within lymph nodes because there are more afferent vessels bringing lymph into the node than efferent vessels taking lymph away. This design allows for more time for the lymph to be filtered and for immune cells within the lymph nodes to identify and respond to pathogens.

What Causes the Flow of Lymph to Slow Within Lymph