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Multiple Choice
Which body system is most responsible for the removal of waste from the bloodstream?
A
Digestive system
B
Respiratory system
C
Circulatory system
D
Urinary system
Verified step by step guidance
1
Identify the primary function of each body system listed in the options: Digestive, Respiratory, Circulatory, and Urinary.
Understand that the Digestive system is mainly responsible for breaking down food and absorbing nutrients, not directly removing waste from the bloodstream.
Recognize that the Respiratory system is primarily involved in gas exchange, removing carbon dioxide from the blood, but not other types of waste.
Acknowledge that the Circulatory system transports blood throughout the body, but it does not directly remove waste from the bloodstream.
Conclude that the Urinary system, which includes the kidneys, is most responsible for filtering blood and removing waste products, such as urea, from the bloodstream.