Scelta multipla
Which of the following mechanisms is NOT used to propel lymph through lymphatic vessels?
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20. The Lymphatic System
Introduction to the Lymphatic System
Scelta multipla
Which lymphatic duct receives lymph from the majority of the body regions?
A
Cisterna chyli
B
Thoracic duct
C
Subclavian duct
D
Right lymphatic duct
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Understand the function of lymphatic ducts: Lymphatic ducts are responsible for transporting lymph, a fluid containing white blood cells, throughout the body. They play a crucial role in the immune system.
Identify the major lymphatic ducts: The human body has two main lymphatic ducts - the thoracic duct and the right lymphatic duct. Each duct drains lymph from different regions of the body.
Examine the drainage areas: The thoracic duct is the largest lymphatic vessel and drains lymph from the majority of the body, including the left side of the head, neck, chest, left arm, and both lower parts of the body. The right lymphatic duct drains lymph from the right side of the head, neck, chest, and right arm.
Consider the cisterna chyli: The cisterna chyli is a dilated sac at the lower end of the thoracic duct, which collects lymph from the lower limbs and intestines before it is transported upwards through the thoracic duct.
Conclude which duct receives lymph from the majority of the body: Given the drainage areas, the thoracic duct is responsible for receiving lymph from the majority of the body regions, making it the correct answer.
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