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Multiple Choice
To which organ system does the structure 'alveolus' belong?
A
Respiratory system
B
Digestive system
C
Endocrine system
D
Urinary system
Verified step by step guidance
1
Step 1: Begin by identifying the structure 'alveolus' and its function. The alveolus is a small air sac found in the lungs, responsible for gas exchange between oxygen and carbon dioxide.
Step 2: Recall the organ systems in the human body and their primary functions. For example, the respiratory system is responsible for breathing and gas exchange, while the digestive system processes food, the endocrine system regulates hormones, and the urinary system removes waste products.
Step 3: Match the function of the alveolus (gas exchange) to the organ system responsible for this process. The respiratory system facilitates breathing and gas exchange, which aligns with the role of the alveolus.
Step 4: Eliminate the other options by considering their primary functions. The digestive system processes food, the endocrine system regulates hormones, and the urinary system removes waste products, none of which involve gas exchange.
Step 5: Conclude that the alveolus belongs to the respiratory system based on its function and anatomical location.