Which of the following is not a method that maintains lymph flow?
A)skeletal muscle contraction
B)smooth muscle contraction
C)breathing
D)valves in lymph vessel walls

Question

Quizplus · Accepted Answer

Smooth muscle tissue is not present in lymph vessel walls; therefore, it cannot contract to maintain lymph flow. The other methods listed (skeletal muscle contraction, breathing, and valves in lymph vessel walls) all play a role in keeping lymph flowing through the lymphatic system.

Which of the Following Is Not a Method That Maintains