Professor Diamond’s review of the lymphatic system continues with the lymphatic vessels and lymph. Professor Diamond compares lymphatic vessels to the cardiovascular system and notes the differences in structure. Next, Professor Diamond defines lymph (tissue fluid) and its composition and function. The movement of lymph is also discussed, and again, this is compared to the movement of blood through the body. The absorption of fat by the venous system is discussed in detail to show how lymphatic vessels function within the body.  Then, Professor Diamond moves on to the respiratory system, which falls under the science of autorhinolarynology (ear, nose and throat). She separates respiration into external and internal functions, and lists the constituents of the respiratory system. Starting with the nose, Professor Diamond explains the constituents of the respiratory system, including their location, function and purpose within the system. The lecture concludes with a photo slideshow of the lymphatic and venous systems as well as specific tissues and organs related to the respiratory system (including the nasal skeletal structure).