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Multiple Choice
Which of the following organ systems does NOT play a role in excreting waste from the body?
A
Nervous system
B
Digestive system
C
Urinary system
D
Respiratory system
Verified step by step guidance
1
Step 1: Begin by understanding the concept of excretion. Excretion is the process by which the body removes waste products generated from metabolic activities to maintain homeostasis.
Step 2: Review the roles of the listed organ systems in excretion. For example, the urinary system removes nitrogenous waste (urea) and excess water, the respiratory system removes carbon dioxide, and the digestive system eliminates solid waste and some toxins.
Step 3: Consider the nervous system. Its primary function is to control and coordinate bodily activities, including sensory input, motor output, and regulation of other systems. It does not directly participate in the removal of waste products from the body.
Step 4: Compare the functions of the nervous system with the other systems listed. Identify that the nervous system does not have a direct excretory role, unlike the urinary, respiratory, and digestive systems.
Step 5: Conclude that the nervous system is the correct answer to the question, as it does not play a role in excreting waste from the body.