Which of the following acts as an extrinsic pump in the lymphatic system, similar to the function that the heart fulfills in the circulatory system?
A)Patient positioning and gravity
B)Gravity, musculoskeletal contraction, and respiratory pressure changes
C)The arterioles and venules within the circulatory system
D)The heart

Question

Quizplus · Accepted Answer

The lymphatic system does not have a central pump like the heart in the circulatory system. Instead, it relies on external factors such as gravity, musculoskeletal contractions, and changes in respiratory pressure to move lymph fluid through the body. These actions help to push lymph through the lymphatic vessels, aiding in the circulation and filtration of lymph.

Which of the Following Acts as an Extrinsic Pump in the Lymphatic