BIOD 152 PORTAGE LEARNING EXAM QUESTIONS WITH COMPLETE 100% VERIFIED ANSWERS GRADED A+
lymphatic vessels
take up excess tissue fluid and return it to the bloodstream.
lymphatic capillaries
absorb fats and transport them to the bloodstream, are closely connected to the capillaries of the cardiov...
take up excess tissue fluid and return it to the bloodstream.
lymphatic capillaries
absorb fats and transport them to the bloodstream, are closely connected to the
capillaries of the cardiovascular system
lymph
Excess tissue fluid entering the lymphatic capillaries from the interstitial fluid not
returned by the cardiovascular system.
The lymphatic system is closely connected with what other body system?
cardiovascular system
What are three functions of the lymphatic system?
(1) The lymphatic vessels take up excess tissue fluid and return it to the bloodstream.
(2) Lymphatic capillaries absorb fats and transport them to the bloodstream. (3) The
lymphatic system helps with immunity to defend the body against disease.
flow of lymph
The lymph flows one way, from the lymphatic capillary system to the subclavian veins,
where it joins the venous circulation to return to the heart.
True or false: Lymph vessels are only found in the lower extremities.
False-they are throughout the body
, Describe the structure of lymph vessels.
Lymph vessels have one-way flow valves similar in structure to the large veins of the
cardiovascular system. The valves prevent the backward flow of lymph. The return of
the lymph fluid into circulation is solely dependent on the squeezing action of skeletal
muscles, squeezing the fluid one way through the lymphatic vessels.
thoracic duct
receives lymph from the left side of the head, neck, chest, abdomen, left arm, and lower
extremities and drains to left subclavian vein
right lymphatic duct
collects lymph from the right side of the head and neck, the upper right quadrant of the
body, and the right arm; empties into the right subclavian vein
Describe the structure of a lymph node.
encapsulated in a fibrous connective tissue with many incoming and fewer outgoing
lymphatic vessels. Incoming vessels (afferent vessels) flow through a network of
sinuses that contain cells. The lymph then flows out of the lymph node through the
efferent vessel. The interior of the lymph node is divided into open spaces called
nodules, containing lymphocytes and macrophages.
What is the axilla region?
armpit
The spleen is in what region of the body?
The spleen is in the upper left abdomen.
What is the function of the spleen?
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