ASU BIO 202 LAB: Lymphatic & Immune System Solved 100%
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Course
ASU
Institution
ASU
Arrangements of lymphatic tissue surrounded by connective tissue capsule
-Found along lymphatic vessels and act as small filter that the lymph passes through before going into venous circulation.
Lymph Node - Answer-Part of the lymphatic organ
Immune System - Answer-Involves the lymphatic vess...
ASU BIO 202 LAB: Lymphatic & Immune System Solved
100%
Lymphatic System - Answer-A network of vessels throughout the body that works in parallel to
cardiovascular system;
-Thin-walled, low-pressure vessels return lymph to venous circulation
Lymph - Answer-Excess tissue fluid to venous circulation, and along with fluid, damaged cells, bits of
tissue and any other microbes that may be present.
-Once interstitial fluid is in the lymph capillaries it is called lymph.
Lymph Node - Answer-Part of the lymphatic organ
-Arrangements of lymphatic tissue surrounded by connective tissue capsule
-Found along lymphatic vessels and act as small filter that the lymph passes through before going into
venous circulation.
Immune System - Answer-Involves the lymphatic vessels, lymph nodes, and other lymphatic tissues.
-Attacks and destroys microorganisms and cancer cells at these checkpoint
-Does not have a set of organ in particular
Lymphocyte - AnswerCells of the immune system that makes use of other organ system (in particular the
lymphatic system)
Three Primary Functions of Lymphatic System - Answer1) Transporting excess interstitial fluid back to
heart
2)Absorbing dietary fat
3)Activating the immune system
Transporting excess interstitial fluid back to the heart - Answer-Process of filtration pushes water out of
blood into interstitial fluid (approx. 1.5mL/min lost)
, Lymph Capillary - Answer-Where water in the interstitial fluid enter; surrounded by capillary beds.
-Have highly permeable walls that allow large substances and volumes of fluid enter/exi
-Contains valves to ensure that lymph flows in one direction.
-Drains to larger lymph trunks
Main Lymph Trunks - Answer1)Jugular Trunks (2)
-Drains head and neck
2)Subclavian Trunks (2)
-Drain upper limb
3)Bronchomediastinal Trunks (2)
-Drains thorax
4)Intestinal Trunk
-Drains abdomen
5)Lumbar Trunks (2)
-Drains pelvis and lower limb
-Nine in total
Lymph Ducts - Answer-Final Vessels of Lymphatic Circuit
-Two types:
-Right lymphatic duct (Drains right upper limb and right side of head, neck, and thorax)
-Thoracic duct (Drains remaining lymph of body)
Absorbing Dietary Fat - Answer-Fats are not absorbed from small intestine directly into blood capillaries
because they are too large.
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