Biology 101: Lymphatic And Immune Systems Flashcards 61 Questions And Correct Answers Verified 100% Latest Version

BIOLOGY 101: Lymphatic and Immune Systems Flashcards 61 questions and correct answers verified 100% latest version 2024-2025 newest!! Q1 Describe the general structure of the lymphatic system. Answers: It is a network of vessels that transport a fluid called lymph. Lymph nodes, small clusters of lymphatic tissue, are positioned along these vessels. Other organs, such as the thymus and the spleen, also contain lymphoid tissue. 3 Q What are the characteristics of a lymph vessel?Answers: Like veins, they contain valves and have thin walls composed of smooth muscle and connective tissue. However, lymph vessels are more flexible to accommodate excess fluid. Lymph vessels vary in size, like those of the circulatory system. Smaller lymph capillaries give rise to larger vessels. 4 Q What are the characteristics of a lymph node? Answers: These are small structures, oval in shape, and positioned along lymph vessels. They contain immune cells, namely lymphocytes and macrophages.Lymph nodes function to filter the fluid that is being transported through the lymphatic system. 5 Q Where does lymph originate from, and what are its main components? Answers: It is composed of excess fluid that has diffused into the tissues from capillaries. As a result, its composition is similar