Lymph circulation is maintained by all of the following except:
A) the heart.
B) inspiration.
C) skeletal muscle contractions.
D) valves.

Question

Quizplus · Accepted Answer

Lymph circulation does not rely on the heart since lymph vessels have their own rhythmic contractions and one-way valves to ensure proper flow. However, inspiration and skeletal muscle contractions (such as during exercise) help move lymph through the vessels and valves prevent backflow.

Lymph Circulation Is Maintained by All of the Following Except