Multiple Choice
Which lymphatic organ cleans cellular debris and bacteria out of the blood?
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20. The Lymphatic System
Introduction to the Lymphatic System
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Which of the following is a feature of the lymphatic system?
A
It absorbs and transports fats from the digestive system.
B
It produces red blood cells.
C
It transports oxygen to tissues.
D
It regulates body temperature.
Verified step by step guidance1
Identify the primary functions of the lymphatic system. The lymphatic system is part of the circulatory and immune systems, and its main roles include maintaining fluid balance, absorbing and transporting fats from the digestive system, and defending the body against pathogens.
Consider the option 'It absorbs and transports fats from the digestive system.' This is a known function of the lymphatic system, specifically through structures called lacteals in the small intestine, which absorb dietary fats and transport them as chyle.
Evaluate the option 'It produces red blood cells.' This function is primarily associated with the bone marrow, not the lymphatic system.
Assess the option 'It transports oxygen to tissues.' This is a function of the circulatory system, specifically the role of red blood cells and the cardiovascular system, not the lymphatic system.
Review the option 'It regulates body temperature.' This is a function of the integumentary and circulatory systems, involving mechanisms like vasodilation and vasoconstriction, rather than the lymphatic system.
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