| One day in Paris, Jack and John Ray were talking about the transport of lymph. |
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 | It says here that the movement of lymph is dependent upon outside forces. | |
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| Duhh...I already know that. God, this guy's dumb. | |
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| These forces are the contractions of skeletal muscles and respiratory movements. | |
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| Yup. They're the same forces that aid the return of venous blood to the heart. | |
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| The contraction of skeletal muscles compresses lymphatic vessels forcing lymph from one valved segment to another. This is especially important in the arms and legs. | |
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| The respiratory movements enable the movement of lymph in vessels within the thorax and abdomen. | |
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